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2018-08-13lan743x: lan743x: Remove duplicated include from lan743x_ptp.cYue Haibing
Remove duplicated include. Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-13virtio_net: remove duplicated include from virtio_net.cYueHaibing
Remove duplicated include linux/netdevice.h Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-13r8169: don't use MSI-X on RTL8168gHeiner Kallweit
There have been two reports that network doesn't come back on resume from suspend when using MSI-X. Both cases affect the same chip version (RTL8168g - version 40), on different systems. Falling back to MSI fixes the issue. Even though we don't really have a proof yet that the network chip version is to blame, let's disable MSI-X for this version. Reported-by: Steve Dodd <steved424@gmail.com> Reported-by: Lou Reed <gogen@disroot.org> Tested-by: Steve Dodd <steved424@gmail.com> Tested-by: Lou Reed <gogen@disroot.org> Fixes: 6c6aa15fdea5 ("r8169: improve interrupt handling") Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-13net: nixge: Don't store skb in app4 field of descriptorMoritz Fischer
Don't store skb in app4 field of descriptor since it is not being used anywhere (including hardware). Signed-off-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-13net: nixge: Do not zero application specific fields in descMoritz Fischer
Do not zero application specific fields in DMA descriptors. The hardware does ignore them, so should software. Signed-off-by: Moritz Fischer <mdf@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-13irqchip: add a SiFive PLIC driverChristoph Hellwig
Add a driver for the SiFive implementation of the RISC-V Platform Level Interrupt Controller (PLIC). The PLIC connects global interrupt sources to the local interrupt controller on each hart. This driver is based on the driver in the RISC-V tree from Palmer Dabbelt, but has been almost entirely rewritten since, and includes many fixes from Atish Patra. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Atish Patra <atish.patra@wdc.com> [Binding update by Palmer] Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-08-13clocksource: new RISC-V SBI timer driverPalmer Dabbelt
The RISC-V ISA defines a per-hart real-time clock and timer, which is present on all systems. The clock is accessed via the 'rdtime' pseudo-instruction (which reads a CSR), and the timer is set via an SBI call. Contains various improvements from Atish Patra <atish.patra@wdc.com>. Signed-off-by: Dmitriy Cherkasov <dmitriy@oss-tech.org> Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> [hch: remove dead code, add SPDX tags, used riscv_of_processor_hart(), minor cleanups, merged hotplug cpu support and other improvements from Atish] Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Atish Patra <atish.patra@wdc.com> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-08-13ARM: 8778/1: clkdev: don't call __of_clk_get_by_name() unnecessarily from ↵Bartosz Golaszewski
clk_get() The way this function is implemented caused some confusion when converting the TI DaVinci platform to using the common clock framework. Current kernel supports booting DaVinci boards both in device tree as well as legacy, board-file mode. In the latter, we always end up calling clk_get_sys() as of_node is NULL and __of_clk_get_by_name() returns -ENOENT. It was not obvious at first glance how clk_get(dev, NULL) will work in board-file mode since we always call __of_clk_get_by_name(). Let's make it clearer by checking if of_node is NULL and skipping right to clk_get_sys(). Cc: Sekhar Nori <nsekhar@ti.com> Cc: Kevin Hilman <khilman@baylibre.com> Cc: David Lechner <david@lechnology.com> Reviewed-by: David Lechner <david@lechnology.com> Reviewed-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-08-13irqchip/s3c24xx: Remove unneeded comparison of unsigned long to 0Krzysztof Kozlowski
irq_data->hwirq is unsigned long. This fixes GCC warning: drivers/irqchip/irq-s3c24xx.c: In function 's3c_irqext0_type': drivers/irqchip/irq-s3c24xx.c:253:19: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] if ((data->hwirq >= 0) && (data->hwirq <= 3)) { ^~ Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2018-08-13IB/uverbs: Do not check for device disassociation during ioctlJason Gunthorpe
Now that the ioctl path and uobjects are converted to use uverbs_api, it is now safe to remove the disassociation protection from the common ioctl code. This completes the work to make destroy functions continue to work even after device disassociation. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-08-13IB/uverbs: Remove struct uverbs_root_spec and all supporting codeJason Gunthorpe
Everything now uses the uverbs_uapi data structure. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-08-13IB/uverbs: Use uverbs_api to unmarshal ioctl commandsJason Gunthorpe
Convert the ioctl method syscall path to use the uverbs_api data structures. The new uapi structure includes all the same information, just in a different and more optimal way. - Use attr_bkey instead of 2 level radix trees for everything related to attributes. This includes the attribute storage, presence, and detection of missing mandatory attributes. - Avoid iterating over all attribute storage at finish, instead use find_first_bit with the attr_bkey to locate only those attrs that need cleanup. - Organize things to always run, and always rely on, cleanup. This avoids a bunch of tricky error unwind cases. - Locate the method using the radix tree, and locate the attributes using a very efficient incremental radix tree lookup - Use the precomputed destroy_bkey to handle uobject destruction - Use the precomputed allocation sizes and precomputed 'need_stack' to avoid maths in the fast path. This is optimal if userspace does not pass (many) unsupported attributes. Overall this results in much better codegen for the attribute accessors, everything is now stored in bitmaps or linear arrays indexed by attr_bkey. The compiler can compute attr_bkey values at compile time for all method attributes, meaning things like uverbs_attr_is_valid() now compile into single instruction bit tests. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-08-13IB/uverbs: Use uverbs_alloc for allocationsJason Gunthorpe
Several handlers need temporary allocations for the life of the method, switch them to use the uverbs_alloc allocator. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
2018-08-13IB/uverbs: Add a simple allocator to uverbs_attr_bundleJason Gunthorpe
This is similar in spirit to devm, it keeps track of any allocations linked to this method call and ensures they are all freed when the method exits. Further, if there is space in the internal/onstack buffer then the allocator will hand out that memory and avoid an expensive call to kalloc/kfree in the syscall path. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
2018-08-13Bluetooth: mediatek: pass correct size to h4_recv_buf()Dan Carpenter
We're supposed to pass the number of elements in the mtk_recv_pkts, not the number of bytes. Fixes: 7237c4c9ec92 ("Bluetooth: mediatek: Add protocol support for MediaTek serial devices") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-13Merge tag 'asoc-v4.19' of ↵Takashi Iwai
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Updates for v4.19 A fairly big update, including quite a bit of core activity this time around (which is good to see) along with a fairly large set of new drivers. - A new snd_pcm_stop_xrun() helper which is now used in several drivers. - Support for providing name prefixes to generic component nodes. - Quite a few fixes for DPCM as it gains a bit wider use and more robust testing. - Generalization of the DIO2125 support to a simple amplifier driver. - Accessory detection support for the audio graph card. - DT support for PXA AC'97 devices. - Quirks for a number of new x86 systems. - Support for AM Logic Meson, Everest ES7154, Intel systems with RT5682, Qualcomm QDSP6 and WCD9335, Realtek RT5682 and TI TAS5707.
2018-08-13irqchip/stm32: Fix init error handlingDan Carpenter
If there are any errors in stm32_exti_host_init() then it leads to a NULL dereference in the callers. The function should clean up after itself. Fixes: f9fc1745501e ("irqchip/stm32: Add host and driver data structures") Reviewed-by: Ludovic Barre <ludovic.barre@st.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2018-08-13irqchip/bcm7038-l1: Hide cpu offline callback when building for !SMPJonas Gorski
When compiling bmips with SMP disabled, the build fails with: drivers/irqchip/irq-bcm7038-l1.o: In function `bcm7038_l1_cpu_offline': drivers/irqchip/irq-bcm7038-l1.c:242: undefined reference to `irq_set_affinity_locked' make[5]: *** [vmlinux] Error 1 Fix this by adding and setting bcm7038_l1_cpu_offline only when actually compiling for SMP. It wouldn't have been used anyway, as it requires CPU_HOTPLUG, which in turn requires SMP. Fixes: 34c535793bcb ("irqchip/bcm7038-l1: Implement irq_cpu_offline() callback") Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
2018-08-13Merge branch 'topic/hvc' into nextMichael Ellerman
This branch held some hvc related commits (Hypervisor Virtual Console) so that they could get some wider testing in linux-next before merging.
2018-08-13Merge branch 'fixes' into nextMichael Ellerman
Merge our fixes branch from the 4.18 cycle to resolve some minor conflicts.
2018-08-13drm/i915/gvt: free workload in vgpu releaseHang Yuan
Some workloads may be prepared in vgpu's queue but not be scheduled to run yet. If vgpu is released at this time, they will not be freed in workload complete callback and so need to be freed in vgpu release operation. Add new vgpu_release operation in gvt_ops to stop vgpu and release runtime resources. gvt_ops vgpu_deactivate operation will only stop vgpu. v2: add new gvt ops to clean vgpu running status (Xiong Zhang) Signed-off-by: Hang Yuan <hang.yuan@linux.intel.com> Reviewed-by: Xiong Zhang <xiong.y.zhang@intel.com> Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
2018-08-12Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Eight fixes. The most important one is the mpt3sas fix which makes the driver work again on big endian systems. The rest are mostly minor error path or checker issues and the vmw_scsi one fixes a performance problem" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: vmw_pvscsi: Return DID_RESET for status SAM_STAT_COMMAND_TERMINATED scsi: sr: Avoid that opening a CD-ROM hangs with runtime power management enabled scsi: mpt3sas: Swap I/O memory read value back to cpu endianness scsi: fcoe: clear FC_RP_STARTED flags when receiving a LOGO scsi: fcoe: drop frames in ELS LOGO error path scsi: fcoe: fix use-after-free in fcoe_ctlr_els_send scsi: qedi: Fix a potential buffer overflow scsi: qla2xxx: Fix memory leak for allocating abort IOCB
2018-08-12tty: serial: 8250: Revert NXP SC16C2552 workaroundMark
Revert commit ecb988a3b7985913d1f0112f66667cdd15e40711: tty: serial: 8250: 8250_core: NXP SC16C2552 workaround The above commit causes userland application to no longer write correctly its first write to a dumb terminal connected to /dev/ttyS0. This commit seems to be the culprit. It's as though the TX FIFO is being reset during that write. What should be displayed is: PSW 80000000 INST 00000000 HALT // What is displayed is some variation of: T 00000000 HAL// Reverting this commit via this patch fixes my problem. Signed-off-by: Mark Hounschell <dmarkh@cfl.rr.com> Fixes: ecb988a3b798 ("tty: serial: 8250: 8250_core: NXP SC16C2552 workaround") Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-12Revert "uio: use request_threaded_irq instead"Xiubo Li
Since mutex lock in irq hanler is useless currently, here will remove it together with it. This reverts commit 9421e45f5ff3d558cf8b75a8cc0824530caf3453. Reported-by: james.r.harris@intel.com CC: Ahsan Atta <ahsan.atta@intel.com> Signed-off-by: Xiubo Li <xiubli@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-11Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2018-08-11bcache: add the missing comments for smp_mb()/smp_wmb()Coly Li
Checkpatch.pl warns there are 2 locations of smp_mb() and smp_wmb() without code comment. This patch adds the missing code comments for these memory barrier calls. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: remove unnecessary space before ioctl function pointer argumentsColy Li
This is warned by checkpatch.pl, this patch removes the extra space. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: add missing SPDX headerColy Li
The SPDX header is missing fro closure.c, super.c and util.c, this patch adds SPDX header for GPL-2.0 into these files. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: move open brace at end of function definitions to next lineColy Li
This is not a preferred style to place open brace '{' at the end of function definition, checkpatch.pl reports error for such coding style. This patch moves them into the start of the next new line. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: add static const prefix to char * array declarationsColy Li
This patch declares char * array with const prefix in sysfs.c, which is suggested by checkpatch.pl. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: fix code comments styleColy Li
This patch fixes 3 style issues warned by checkpatch.pl, - Comment lines are not aligned - Comments use "/*" on subsequent lines - Comment lines use a trailing "*/" Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: do not check NULL pointer before calling kmem_cache_destroyColy Li
kmem_cache_destroy() is safe for NULL pointer as input, the NULL pointer checking is unncessary. This patch just removes the NULL pointer checking to make code simpler. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: prefer 'help' in KconfigColy Li
Current bcache Kconfig uses '---help---' as header of help information, for now 'help' is prefered. This patch fixes this style by replacing '---help---' by 'help' in bcache Kconfig file. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: fix typo 'succesfully' to 'successfully'Coly Li
This patch fixes typo 'succesfully' to correct 'successfully', which is suggested by checkpatch.pl. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: replace '%pF' by '%pS' in seq_printf()Coly Li
'%pF' and '%pf' are deprecated vsprintf pointer extensions, this patch replace them by '%pS', which is suggested by checkpatch.pl. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: fix indent by replacing blank by tabsColy Li
bch_btree_insert_check_key() has unaligned indent, or indent by blank characters. This patch makes the indent aligned and replace blank by tabs. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: replace printk() by pr_*() routinesColy Li
There are still many places in bcache use printk to display kernel message, which are suggested to be preplaced by pr_*() routines like pr_err(), pr_info(), or pr_notice(). This patch replaces all printk() with a proper pr_*() routine for bcache code. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: replace Symbolic permissions by octal permission numbersColy Li
Symbolic permission names are used in bcache, for now octal permission numbers are encouraged to use for readability. This patch replaces all symbolic permissions by octal permission numbers. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: style fixes for lines over 80 charactersColy Li
This patch fixes the lines over 80 characters into more lines, to minimize warnings by checkpatch.pl. There are still some lines exceed 80 characters, but it is better to be a single line and I don't change them. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: add identifier names to arguments of function definitionsColy Li
There are many function definitions do not have identifier argument names, scripts/checkpatch.pl complains warnings like this, WARNING: function definition argument 'struct bcache_device *' should also have an identifier name #16735: FILE: writeback.h:120: +void bch_sectors_dirty_init(struct bcache_device *); This patch adds identifier argument names to all bcache function definitions to fix such warnings. Signed-off-by: Coly Li <colyli@suse.de> Reviewed: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: style fix to add a blank line after declarationsColy Li
Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11bcache: style fix to replace 'unsigned' by 'unsigned int'Coly Li
This patch fixes warning reported by checkpatch.pl by replacing 'unsigned' with 'unsigned int'. Signed-off-by: Coly Li <colyli@suse.de> Reviewed-by: Shenghui Wang <shhuiw@foxmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-11net: socionext: Increase descriptors to 256Ilias Apalodimas
Increasing descriptors to 256 from 128 and adjusting the NAPI weight to 64 increases performace on Rx by ~20% on 64byte packets Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11net: socionext: Use descriptor info instead of MMIO reads on RxIlias Apalodimas
MMIO reads for remaining packets in queue occur (at least)twice per invocation of netsec_process_rx(). We can use the packet descriptor to identify if it's owned by the hardware and break out, avoiding the more expensive MMIO read operations. This has a ~2% increase on the pps of the Rx path when tested with 64byte packets Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11vxge: remove set but not used variable 'req_out', 'status' and 'ret'YueHaibing
Fixes gcc '-Wunused-but-set-variable' warning: drivers/net/ethernet/neterion/vxge/vxge-config.c:1097:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] drivers/net/ethernet/neterion/vxge/vxge-config.c:2263:6: warning: variable 'req_out' set but not used [-Wunused-but-set-variable] drivers/net/ethernet/neterion/vxge/vxge-config.c:2262:22: warning: variable 'status' set but not used [-Wunused-but-set-variable] drivers/net/ethernet/neterion/vxge/vxge-config.c:2360:22: warning: variable 'status' set but not used [-Wunused-but-set-variable] enum vxge_hw_status status = VXGE_HW_OK; Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11virtio_net: Stripe queue affinities across cores.Caleb Raitto
Always set the affinity hint, even if #cpu != #vq. Handle the case where #cpu > #vq (including when #cpu % #vq != 0) and when #vq > #cpu (including when #vq % #cpu != 0). Signed-off-by: Caleb Raitto <caraitto@google.com> Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Jon Olson <jonolson@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11virtio: Make vp_set_vq_affinity() take a mask.Caleb Raitto
Make vp_set_vq_affinity() take a cpumask instead of taking a single CPU. If there are fewer queues than cores, queue affinity should be able to map to multiple cores. Link: https://patchwork.ozlabs.org/patch/948149/ Suggested-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Caleb Raitto <caraitto@google.com> Acked-by: Gonglei <arei.gonglei@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11lan743x: lan743x: Add PTP supportBryan Whitehead
PTP support includes: Ingress, and egress timestamping. One step timestamping available. PTP clock support. Periodic output support. Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11wimax: usb-tx: mark expected switch fall-throughGustavo A. R. Silva
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that in this particular case, I placed the "fall through" annotation at the bottom of the case, which is what GCC is expecting to find. Addresses-Coverity-ID: 115075 ("Missing break in switch") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-08-11wimax: usb-fw: mark expected switch fall-throughGustavo A. R. Silva
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that in this particular case, I placed the "fall through" annotation at the bottom of the case, which is what GCC is expecting to find. Addresses-Coverity-ID: 1369529 ("Missing break in switch") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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