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2016-09-07qed*: Add support for the ethtool get_regs operationTomer Tayar
Signed-off-by: Tomer Tayar <Tomer.Tayar@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07qed: Add support for debug data collectionTomer Tayar
This patch adds the support for dumping and formatting the HW/FW debug data. Signed-off-by: Tomer Tayar <Tomer.Tayar@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07kaweth: remove obsolete debugging statementsOliver Neukum
SOme statements in the driver only served to inform which functions were entered. Ftrace can do that just as good without needing memory. Remove the statements. Signed-off-by: Oliver Neukum <oneukum@suse.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07qed: add missing header dependenciesBaoyou Xie
We get 4 warnings when building kernel with W=1: drivers/net/ethernet/qlogic/qed/qed_selftest.c:6:5: warning: no previous prototype for 'qed_selftest_memory' [-Wmissing-prototypes] drivers/net/ethernet/qlogic/qed/qed_selftest.c:19:5: warning: no previous prototype for 'qed_selftest_interrupt' [-Wmissing-prototypes] drivers/net/ethernet/qlogic/qed/qed_selftest.c:32:5: warning: no previous prototype for 'qed_selftest_register' [-Wmissing-prototypes] drivers/net/ethernet/qlogic/qed/qed_selftest.c:55:5: warning: no previous prototype for 'qed_selftest_clock' [-Wmissing-prototypes] In fact, these functions are declared in qed_selftest.h, so this patch add missing header dependencies. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Acked-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07net: diag: make udp_diag_destroy work for mapped addresses.Lorenzo Colitti
udp_diag_destroy does look up the IPv4 UDP hashtable for mapped addresses, but it gets the IPv4 address to look up from the beginning of the IPv6 address instead of the end. Tested: https://android-review.googlesource.com/269874 Fixes: 5d77dca82839 ("net: diag: support SOCK_DESTROY for UDP sockets") Signed-off-by: Lorenzo Colitti <lorenzo@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Acked-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07netlink: don't forget to release a rhashtable_iter structureAndrey Vagin
This bug was detected by kmemleak: unreferenced object 0xffff8804269cc3c0 (size 64): comm "criu", pid 1042, jiffies 4294907360 (age 13.713s) hex dump (first 32 bytes): a0 32 cc 2c 04 88 ff ff 00 00 00 00 00 00 00 00 .2.,............ 00 01 00 00 00 00 ad de 00 02 00 00 00 00 ad de ................ backtrace: [<ffffffff8184dffa>] kmemleak_alloc+0x4a/0xa0 [<ffffffff8124720f>] kmem_cache_alloc_trace+0x10f/0x280 [<ffffffffa02864cc>] __netlink_diag_dump+0x26c/0x290 [netlink_diag] v2: don't remove a reference on a rhashtable_iter structure to release it from netlink_diag_dump_done Cc: Herbert Xu <herbert@gondor.apana.org.au> Fixes: ad202074320c ("netlink: Use rhashtable walk interface in diag dump") Signed-off-by: Andrei Vagin <avagin@openvz.org> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07MAINTAINERS: Update CPMAC email addressFlorian Fainelli
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07Merge tag 'rxrpc-rewrite-20160907-2' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== rxrpc: Local abort tracepoint Here are two patches. They need to be applied on top of the just-posted call refcount overhaul patch: (1) Fix the return value of some call completion helpers. (2) Add a tracepoint that allows local aborts to be debugged. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-07Merge tag 'rxrpc-rewrite-20160907-1' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== rxrpc: Overhaul call refcounting Here's a set of mostly small patches leading up to one big one. The big patch at the end of the series overhauls how rxrpc_call refcounting is handled, making it more sane so that calls bound to user IDs are _only_ released from socket operations or kernel API functions. Further, the patch stops calls from holding refs on their parent socket - which can prevent the socket from being cleaned up. The second largest patch improves the call tracking tracepoint by providing extra information about the situation in which gets and puts occur. This allows distinctions to be drawn between refs held by the socket user ID tree, refs held by the work queue (to be implemented by a future patch) and other refs. The other patches include a couple of cleanups and some simple alterations to avoid NULL pointer dereferences in the big patch. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-08gpio: sa1100: fix irq probing for ucb1x00Russell King
ucb1x00 has used IRQ probing since it's dawn to find the GPIO interrupt that it's connected to. However, commit 23393d49fb75 ("gpio: kill off set_irq_flags usage") broke this by disabling IRQ probing on GPIO interrupts. Fix this. Fixes: 23393d49fb75 ("gpio: kill off set_irq_flags usage") Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-08gpio: mcp23s08: make driver depend on OF_GPIOLinus Walleij
The MCP23S08 driver certainly accesses fields inside the struct gpio_chip that are only available under CONFIG_OF_GPIO not just CONFIG_OF, so update the Kconfig and driver to reflect this. Cc: Alexander Stein <alexander.stein@systec-electronic.com> Cc: Phil Reid <preid@electromag.com.au> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-08Revert "gpio: include <linux/io-mapping.h> in gpiolib-of"Linus Walleij
This reverts commit 7d4defe21c682c934a19fce1ba8b54b7bde61b08. The commit was pointless, manically trembling in the dark for a solution. The real fixes are: commit 048c28c91e56 ("gpio: make any OF dependent driver depend on OF_GPIO") commit 2527ecc9195e ("gpio: Fix OF build problem on UM") Reported-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-07Merge tag 'usercopy-v4.8-rc6-part2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull more hardened usercopyfixes from Kees Cook: - force check_object_size() to be inline too - move page-spanning check behind a CONFIG since it's triggering false positives [ Changed the page-spanning config option to depend on EXPERT in the merge. That way it still gets build testing, and you can enable it if you want to, but is never enabled for "normal" configurations ] * tag 'usercopy-v4.8-rc6-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: usercopy: remove page-spanning test for now usercopy: force check_object_size() inline
2016-09-07Merge branch 'for-chris' of ↵Chris Mason
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus-4.8
2016-09-07usercopy: remove page-spanning test for nowKees Cook
A custom allocator without __GFP_COMP that copies to userspace has been found in vmw_execbuf_process[1], so this disables the page-span checker by placing it behind a CONFIG for future work where such things can be tracked down later. [1] https://bugzilla.redhat.com/show_bug.cgi?id=1373326 Reported-by: Vinson Lee <vlee@freedesktop.org> Fixes: f5509cc18daa ("mm: Hardened usercopy") Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-07usercopy: force check_object_size() inlineKees Cook
Just for good measure, make sure that check_object_size() is always inlined too, as already done for copy_*_user() and __copy_*_user(). Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-07Merge tag 'seccomp-v4.8-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp fixes from Kees Cook: "Fix UM seccomp vs ptrace, after reordering landed" * tag 'seccomp-v4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: seccomp: Remove 2-phase API documentation um/ptrace: Fix the syscall number update after a ptrace um/ptrace: Fix the syscall_trace_leave call
2016-09-07Merge ath-current from ath.gitKalle Valo
ath.git fixes for 4.8. Major changes: ath10k * fix racy rx status retrieval from htt context * QCA9887 support is not experimental anymore, remove the warning message ath9k * fix regression with led GPIOs * fix AR5416 GPIO access warning
2016-09-07Merge tag 'usercopy-v4.8-rc6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardened usercopy fixes from Kees Cook: - inline copy_*_user() for correct use of __builtin_const_p() for hardened usercopy and the recent compile-time checks. - switch hardened usercopy to only check non-const size arguments to avoid meaningless checks on likely-sane const values. - update lkdtm usercopy tests to compenstate for the const checking. * tag 'usercopy-v4.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: lkdtm: adjust usercopy tests to bypass const checks usercopy: fold builtin_const check into inline function x86/uaccess: force copy_*_user() to be inlined
2016-09-07seccomp: Remove 2-phase API documentationMickaël Salaün
Fixes: 8112c4f140fa ("seccomp: remove 2-phase API") Signed-off-by: Mickaël Salaün <mic@digikod.net> Acked-by: Kees Cook <keescook@chromium.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: James Morris <jmorris@namei.org> Signed-off-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-07um/ptrace: Fix the syscall number update after a ptraceMickaël Salaün
Update the syscall number after each PTRACE_SETREGS on ORIG_*AX. This is needed to get the potentially altered syscall number in the seccomp filters after RET_TRACE. This fix four seccomp_bpf tests: > [ RUN ] TRACE_syscall.skip_after_RET_TRACE > seccomp_bpf.c:1560:TRACE_syscall.skip_after_RET_TRACE:Expected -1 (18446744073709551615) == syscall(39) (26) > seccomp_bpf.c:1561:TRACE_syscall.skip_after_RET_TRACE:Expected 1 (1) == (*__errno_location ()) (22) > [ FAIL ] TRACE_syscall.skip_after_RET_TRACE > [ RUN ] TRACE_syscall.kill_after_RET_TRACE > TRACE_syscall.kill_after_RET_TRACE: Test exited normally instead of by signal (code: 1) > [ FAIL ] TRACE_syscall.kill_after_RET_TRACE > [ RUN ] TRACE_syscall.skip_after_ptrace > seccomp_bpf.c:1622:TRACE_syscall.skip_after_ptrace:Expected -1 (18446744073709551615) == syscall(39) (26) > seccomp_bpf.c:1623:TRACE_syscall.skip_after_ptrace:Expected 1 (1) == (*__errno_location ()) (22) > [ FAIL ] TRACE_syscall.skip_after_ptrace > [ RUN ] TRACE_syscall.kill_after_ptrace > TRACE_syscall.kill_after_ptrace: Test exited normally instead of by signal (code: 1) > [ FAIL ] TRACE_syscall.kill_after_ptrace Fixes: 26703c636c1f ("um/ptrace: run seccomp after ptrace") Signed-off-by: Mickaël Salaün <mic@digikod.net> Acked-by: Kees Cook <keescook@chromium.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: James Morris <jmorris@namei.org> Cc: user-mode-linux-devel@lists.sourceforge.net Signed-off-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-07um/ptrace: Fix the syscall_trace_leave callMickaël Salaün
Keep the same semantic as before the commit 26703c636c1f: deallocate audit context and fake a proper syscall exit. This fix a kernel panic triggered by the seccomp_bpf test: > [ RUN ] global.ERRNO_valid > BUG: failure at kernel/auditsc.c:1504/__audit_syscall_entry()! > Kernel panic - not syncing: BUG! Fixes: 26703c636c1f ("um/ptrace: run seccomp after ptrace") Signed-off-by: Mickaël Salaün <mic@digikod.net> Acked-by: Kees Cook <keescook@chromium.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: James Morris <jmorris@namei.org> Cc: user-mode-linux-devel@lists.sourceforge.net Signed-off-by: James Morris <james.l.morris@oracle.com> Signed-off-by: Kees Cook <keescook@chromium.org>
2016-09-07rxrpc: Add tracepoint for working out where aborts happenDavid Howells
Add a tracepoint for working out where local aborts happen. Each tracepoint call is labelled with a 3-letter code so that they can be distinguished - and the DATA sequence number is added too where available. rxrpc_kernel_abort_call() also takes a 3-letter code so that AFS can indicate the circumstances when it aborts a call. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Fix returns of call completion helpersDavid Howells
rxrpc_set_call_completion() returns bool, not int, so the ret variable should match this. rxrpc_call_completed() and __rxrpc_call_completed() should return the value of rxrpc_set_call_completion(). Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Calls shouldn't hold socket refsDavid Howells
rxrpc calls shouldn't hold refs on the sock struct. This was done so that the socket wouldn't go away whilst the call was in progress, such that the call could reach the socket's queues. However, we can mark the socket as requiring an RCU release and rely on the RCU read lock. To make this work, we do: (1) rxrpc_release_call() removes the call's call user ID. This is now only called from socket operations and not from the call processor: rxrpc_accept_call() / rxrpc_kernel_accept_call() rxrpc_reject_call() / rxrpc_kernel_reject_call() rxrpc_kernel_end_call() rxrpc_release_calls_on_socket() rxrpc_recvmsg() Though it is also called in the cleanup path of rxrpc_accept_incoming_call() before we assign a user ID. (2) Pass the socket pointer into rxrpc_release_call() rather than getting it from the call so that we can get rid of uninitialised calls. (3) Fix call processor queueing to pass a ref to the work queue and to release that ref at the end of the processor function (or to pass it back to the work queue if we have to requeue). (4) Skip out of the call processor function asap if the call is complete and don't requeue it if the call is complete. (5) Clean up the call immediately that the refcount reaches 0 rather than trying to defer it. Actual deallocation is deferred to RCU, however. (6) Don't hold socket refs for allocated calls. (7) Use the RCU read lock when queueing a message on a socket and treat the call's socket pointer according to RCU rules and check it for NULL. We also need to use the RCU read lock when viewing a call through procfs. (8) Transmit the final ACK/ABORT to a client call in rxrpc_release_call() if this hasn't been done yet so that we can then disconnect the call. Once the call is disconnected, it won't have any access to the connection struct and the UDP socket for the call work processor to be able to send the ACK. Terminal retransmission will be handled by the connection processor. (9) Release all calls immediately on the closing of a socket rather than trying to defer this. Incomplete calls will be aborted. The call refcount model is much simplified. Refs are held on the call by: (1) A socket's user ID tree. (2) A socket's incoming call secureq and acceptq. (3) A kernel service that has a call in progress. (4) A queued call work processor. We have to take care to put any call that we failed to queue. (5) sk_buffs on a socket's receive queue. A future patch will get rid of this. Whilst we're at it, we can do: (1) Get rid of the RXRPC_CALL_EV_RELEASE event. Release is now done entirely from the socket routines and never from the call's processor. (2) Get rid of the RXRPC_CALL_DEAD state. Calls now end in the RXRPC_CALL_COMPLETE state. (3) Get rid of the rxrpc_call::destroyer work item. Calls are now torn down when their refcount reaches 0 and then handed over to RCU for final cleanup. (4) Get rid of the rxrpc_call::deadspan timer. Calls are cleaned up immediately they're finished with and don't hang around. Post-completion retransmission is handled by the connection processor once the call is disconnected. (5) Get rid of the dead call expiry setting as there's no longer a timer to set. (6) rxrpc_destroy_all_calls() can just check that the call list is empty. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Use rxrpc_is_service_call() rather than rxrpc_conn_is_service()David Howells
Use rxrpc_is_service_call() rather than rxrpc_conn_is_service() if the call is available just in case call->conn is NULL. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Pass the connection pointer to rxrpc_post_packet_to_call()David Howells
Pass the connection pointer to rxrpc_post_packet_to_call() as the call might get disconnected whilst we're looking at it, but the connection pointer determined by rxrpc_data_read() is guaranteed by RCU for the duration of the call. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Cache the security index in the rxrpc_call structDavid Howells
Cache the security index in the rxrpc_call struct so that we can get at it even when the call has been disconnected and the connection pointer cleared. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Use call->peer rather than call->conn->params.peerDavid Howells
Use call->peer rather than call->conn->params.peer to avoid the possibility of call->conn being NULL and, whilst we're at it, check it for NULL before we access it. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Improve the call tracking tracepointDavid Howells
Improve the call tracking tracepoint by showing more differentiation between some of the put and get events, including: (1) Getting and putting refs for the socket call user ID tree. (2) Getting and putting refs for queueing and failing to queue the call processor work item. Note that these aren't necessarily used in this patch, but will be taken advantage of in future patches. An enum is added for the event subtype numbers rather than coding them directly as decimal numbers and a table of 3-letter strings is provided rather than a sequence of ?: operators. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07brcmfmac: avoid potential stack overflow in brcmf_cfg80211_start_ap()Arend Van Spriel
User-space can choose to omit NL80211_ATTR_SSID and only provide raw IE TLV data. When doing so it can provide SSID IE with length exceeding the allowed size. The driver further processes this IE copying it into a local variable without checking the length. Hence stack can be corrupted and used as exploit. Cc: stable@vger.kernel.org # v4.7 Reported-by: Daxing Guo <freener.gdx@gmail.com> Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> Reviewed-by: Franky Lin <franky.lin@broadcom.com> Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2016-09-07rxrpc: Delete unused rxrpc_kernel_free_skb()David Howells
Delete rxrpc_kernel_free_skb() as it's unused. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07rxrpc: Whitespace cleanupDavid Howells
Remove some whitespace. Signed-off-by: David Howells <dhowells@redhat.com>
2016-09-07ath9k: bring back direction setting in ath9k_{start_stop}Giedrius Statkevičius
A regression was introduced in commit id 79d4db1214a ("ath9k: cleanup led_pin initial") that broken the WLAN status led on my laptop with AR9287 after suspending and resuming. Steps to reproduce: * Suspend (laptop) * Resume (laptop) * Observe that the WLAN led no longer turns ON/OFF depending on the status and is always red Even though for my case it only needs to be set to OUT in ath9k_start but for consistency bring back the IN direction setting as well. Fixes: 79d4db1214a0 ("ath9k: cleanup led_pin initial") Cc: Miaoqing Pan <miaoqing@codeaurora.org> Cc: Kalle Valo <kvalo@qca.qualcomm.com> Cc: <stable@vger.kernel.org> # 4.7+ Link: https://bugzilla.kernel.org/show_bug.cgi?id=151711 Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com> [kvalo@qca.qualcomm.com: improve commit log] Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
2016-09-07usb: dwc3: pci: fix build warning on !PM_SLEEPFelipe Balbi
When building a kernel with CONFIG_PM_SLEEP=n, we get the following warning: drivers/usb/dwc3/dwc3-pci.c:253:12: warning: 'dwc3_pci_pm_dummy' defined but not used In order to fix this, we should only define dwc3_pci_pm_dummy() when CONFIG_PM_SLEEP is defined. Fixes: f6c274e11e3b ("usb: dwc3: pci: runtime_resume child device") Reported-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-09-06ptp: ixp46x: remove NO_IRQ handlingArnd Bergmann
gpio_to_irq does not return NO_IRQ but instead returns a negative error code on failure. Returning NO_IRQ from the function has no negative effects as we only compare the result to the expected interrupt number, but it's better to return a proper failure code for consistency, and we should remove NO_IRQ from the kernel entirely. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06sfc: check MTU against minimum thresholdBert Kenward
Reported-by: Ma Yuying <yuma@redhat.com> Suggested-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Bert Kenward <bkenward@solarflare.com> Reviewed-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06perf, bpf: fix conditional call to bpf_overflow_handlerArnd Bergmann
The newly added bpf_overflow_handler function is only built of both CONFIG_EVENT_TRACING and CONFIG_BPF_SYSCALL are enabled, but the caller only checks the latter: kernel/events/core.c: In function 'perf_event_alloc': kernel/events/core.c:9106:27: error: 'bpf_overflow_handler' undeclared (first use in this function) This changes the caller so we also skip this call if CONFIG_EVENT_TRACING is disabled entirely. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Fixes: aa6a5f3cb2b2 ("perf, bpf: add perf events core support for BPF_PROG_TYPE_PERF_EVENT programs") Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06net: arc_emac: mark arc_mdio_reset() staticBaoyou Xie
We get 1 warning when building kernel with W=1: drivers/net/ethernet/arc/emac_mdio.c:107:5: warning: no previous prototype for 'arc_mdio_reset' [-Wmissing-prototypes] In fact, this function is only used in the file in which it is declared and don't need a declaration, but can be made static. so this patch marks this function with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06lan78xx: mark symbols static where possibleBaoyou Xie
We get a few warnings when building kernel with W=1: drivers/net/usb/lan78xx.c:1182:6: warning: no previous prototype for 'lan78xx_defer_kevent' [-Wmissing-prototypes] drivers/net/usb/lan78xx.c:1409:5: warning: no previous prototype for 'lan78xx_nway_reset' [-Wmissing-prototypes] drivers/net/usb/lan78xx.c:2000:5: warning: no previous prototype for 'lan78xx_set_mac_addr' [-Wmissing-prototypes] .... In fact, these functions are only used in the file in which they are declared and don't need a declaration, but can be made static. so this patch marks these functions with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06Merge branch 'qed-get_regs'David S. Miller
2016-09-06qed: Add infrastructure for debug data collectionTomer Tayar
Adds support for several infrastructure operations that are done as part of debug data collection. Signed-off-by: Tomer Tayar <Tomer.Tayar@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06bnx2x: Add support for segmentation of tunnels with outer checksumsAlexander Duyck
Signed-off-by: Alexander Duyck <aduyck@mirantis.com> Tested-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06ipv6: addrconf: fix dev refcont leak when DAD failedWei Yongjun
In general, when DAD detected IPv6 duplicate address, ifp->state will be set to INET6_IFADDR_STATE_ERRDAD and DAD is stopped by a delayed work, the call tree should be like this: ndisc_recv_ns -> addrconf_dad_failure <- missing ifp put -> addrconf_mod_dad_work -> schedule addrconf_dad_work() -> addrconf_dad_stop() <- missing ifp hold before call it addrconf_dad_failure() called with ifp refcont holding but not put. addrconf_dad_work() call addrconf_dad_stop() without extra holding refcount. This will not cause any issue normally. But the race between addrconf_dad_failure() and addrconf_dad_work() may cause ifp refcount leak and netdevice can not be unregister, dmesg show the following messages: IPv6: eth0: IPv6 duplicate address fe80::XX:XXXX:XXXX:XX detected! ... unregister_netdevice: waiting for eth0 to become free. Usage count = 1 Cc: stable@vger.kernel.org Fixes: c15b1ccadb32 ("ipv6: move DAD and addrconf_verify processing to workqueue") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06bnxt_en: Fix TX push operation on ARM64.Michael Chan
There is a code path where we are calling __iowrite64_copy() on an address that is not 64-bit aligned. This causes an exception on some architectures such as arm64. Fix that code path by using __iowrite32_copy(). Reported-by: JD Zheng <jiandong.zheng@broadcom.com> Signed-off-by: Michael Chan <michael.chan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06net: Don't delete routes in different VRFsMark Tomlinson
When deleting an IP address from an interface, there is a clean-up of routes which refer to this local address. However, there was no check to see that the VRF matched. This meant that deletion wasn't confined to the VRF it should have been. To solve this, a new field has been added to fib_info to hold a table id. When removing fib entries corresponding to a local ip address, this table id is also used in the comparison. The table id is populated when the fib_info is created. This was already done in some places, but not in ip_rt_ioctl(). This has now been fixed. Fixes: 021dd3b8a142 ("net: Add routes to the table associated with the device") Acked-by: David Ahern <dsa@cumulusnetworks.com> Tested-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06qed: Remove OOM messagesJoe Perches
These messages are unnecessary as OOM allocation failures already do a dump_stack() giving more or less the same information. $ size drivers/net/ethernet/qlogic/qed/built-in.o* (defconfig x86-64) text data bss dec hex filename 127817 27969 32800 188586 2e0aa drivers/net/ethernet/qlogic/qed/built-in.o.new 132474 27969 32800 193243 2f2db drivers/net/ethernet/qlogic/qed/built-in.o.old Miscellanea: o Change allocs to the generally preferred forms where possible. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06Merge tag 'rxrpc-rewrite-20160904-2' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== rxrpc: Split output code from sendmsg code Here's a set of small patches that split the packet transmission code from the sendmsg code and simply rearrange the new file to make it more logically laid out ready for being rewritten. An enum is also moved out of the header file to there as it's only used there. This needs to be applied on top of the just-posted fixes patch set. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06Merge tag 'rxrpc-rewrite-20160904-1' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs David Howells says: ==================== rxrpc: Small fixes Here's a set of small fix patches: (1) Fix some uninitialised variables. (2) Set the client call state before making it live by attaching it to the conn struct. (3) Randomise the epoch and starting client conn ID values, and don't change the epoch when the client conn ID rolls round. (4) Replace deprecated create_singlethread_workqueue() calls. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-06net: smsc: remove build warning of duplicate definitionSudip Mukherjee
The build of m32r was giving warning: In file included from drivers/net/ethernet/smsc/smc91x.c:92:0: drivers/net/ethernet/smsc/smc91x.h:448:0: warning: "SMC_inb" redefined #define SMC_inb(ioaddr, reg) ({ BUG(); 0; }) drivers/net/ethernet/smsc/smc91x.h:106:0: note: this is the location of the previous definition #define SMC_inb(a, r) inb(((u32)a) + (r)) drivers/net/ethernet/smsc/smc91x.h:449:0: warning: "SMC_outb" redefined #define SMC_outb(x, ioaddr, reg) BUG() drivers/net/ethernet/smsc/smc91x.h:108:0: note: this is the location of the previous definition #define SMC_outb(v, a, r) outb(v, ((u32)a) + (r)) Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
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