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2014-08-06checkpatch: fix false positive MISSING_BREAK warnings with --fileJoe Perches
Using --file mode can give false positives with MISSING_BREAK fall-through warnings on simple but long multiple consecutive case statements. Look for all lines before a case statement for a switch or a statement when using --file mode. Fix a misspelling of preceded while there. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Lee Jones <lee.jones@linaro.org> Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add test for native c90 types in unusual orderJoe Perches
c90 section "6.7.2 Type Specifiers" says: "type specifiers may occur in any order" That means that: short int is the same as int short unsigned short int is the same as int unsigned short etc... checkpatch currently parses only a subset of these allowed types. For instance: "unsigned short" and "signed short" are found by checkpatch as a specific type, but none of the or "int short" or "int signed short" variants are found. Add another table for the "kernel style misordered" variants. Add this misordered table to the findable types. Warn when the misordered style is used. This improves the "Missing a blank line after declarations" test as it depends on the correct parsing of the $Declare variable which looks for "$Type $Ident;" (ie: declarations like "int foo;"). Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add signed generic typesJoe Perches
Current generic types are unsigned or unspecified. Add signed to the types. Reorder the types to find the longest match first. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add short int to c variable typesJoe Perches
short int is one of the 6.7.2 c90 types. Find it appropriately. This fixes a defect in checkpatch where it suggests that a line break after declaration is required using an input like: int foo; short int bar; Without this change, it warns on the short int line. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Hartley Sweeten <HartleyS@visionengravers.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add for_each tests to indentation and brace testsJoe Perches
All the various for_each loop macros were not tested for trailing brace on the following lines and for bad indentation. Add them. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Greg KH <gregkh@linuxfoundation.org> Cc: Andy Whitcroft <apw@canonical.com Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: fix brace style misuses of else and whileJoe Perches
Add --fix corrections for ELSE_AFTER_BRACE and WHILE_AFTER_BRACE misuses. if (x) { ... } else { ... } is corrected to if (x) { ... } else { ... } and do { ... } while (x); is corrected to do { ... } while (x); Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add --fix option for a couple OPEN_BRACE misusesJoe Perches
Style misuses of these types are corrected: typedef struct foo { int bar; }; int foo(int bar) { return bar+1; } int foo(int bar) { return bar+1; } Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: use the correct indentation for which()Joe Perches
I copied the which subroutine from get_maintainer.pl. Unfortunately, get_maintainer uses a 4 space indentation so use the proper tab indentation instead. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add fix_insert_line and fix_delete_line helpersJoe Perches
Neaten the uses of patch/file line insertions or deletions. Hide the mechanism used. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add ability to insert and delete lines to patch/fileJoe Perches
This can be valuable to insert or delete blank lines as well as fix misplaced brace or else uses. Store indexes of lines to be added/deleted and the new lines. When creating the --fix file, insert or delete the appropriate lines and update the patch range information. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add an index variable for fixed linesJoe Perches
Make the fix code a bit easier to read. This should also start to allow an easier mechanism to insert/delete lines eventually too. Signed-off-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: warn on break after goto or return with same tab indentationJoe Perches
Using break; after a goto or return is unnecessary so emit a warning when the break is at the same indent level. So this emits a warning on: switch (foo) { case 1: goto err; break; } but not on: switch (foo) { case 1: if (bar()) goto err; break; } Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: emit a warning on file add/move/deleteJoe Perches
Whenever files are added, moved, or deleted, the MAINTAINERS file patterns can be out of sync or outdated. To try to keep MAINTAINERS more up-to-date, add a one-time warning whenever a patch does any of those. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Andy Whitcroft <apw@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add test for commit id formatting style in commit logJoe Perches
Commit logs have various forms of commit id references. Try to standardize on a 12 character long lower case commit id along with a description of parentheses and the quoted subject line. ie: commit 0123456789ab ("commit description") If git and a git tree exists, look up the commit id and emit the appropriate line as part of the message. Signed-off-by: Joe Perches <joe@perches.com> Requested-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: emit fewer kmalloc_array/kcalloc conversion warningsJoe Perches
Avoid matching allocs that appear to be known small multiplications of a sizeof with a constant because gcc as of 4.8 cannot optimize the code in a calloc() exactly the same way as an alloc(). Look for numeric constants or what appear to be upper case only macro #defines. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Theodore Ts'o <tytso@mit.edu> Original-patch-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: improve "no space after cast" testJoe Perches
This --strict test previously worked only for what appeared to be cast to pointer types. Make it work for all casts. Also, there's no reason to show the previous line for this type of message, so don't. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: allow multiple const * typesJoe Perches
checkpatch's $Type variable does not match declarations of multiple const * types. This can produce false positives for things like: $ ./scripts/checkpatch.pl -f drivers/staging/comedi/comedidev.h WARNING: Missing a blank line after declarations #60: FILE: drivers/staging/comedi/comedidev.h:60: + const struct comedi_lrange *range_table; + const struct comedi_lrange *const *range_table_list; Fix the $Type variable to support matching multiple "* const" uses. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Hartley Sweeten <HartleyS@visionengravers.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: warn on unnecessary parentheses around references of foo->barJoe Perches
Parentheses around &(foo->bar) and *(foo->bar) are unnecessary. Emit a --strict only message on these uses. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: quiet Kconfig help message checkingJoe Perches
Editing Kconfig dependencies can emit unnecessary messages about missing or too short help entries. Only emit the message when adding help sections to Kconfig files. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Jean Delvare <jdelvare@suse.de> Tested-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: change blank line after declaration type to "LINE_SPACING"Joe Perches
Make it consistent with the other missing or multiple blank line tests. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add a multiple blank lines testJoe Perches
Multiple consecutive blank lines waste screen space. Emit a --strict only message with these blank lines. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: add test for blank lines after function/struct/union/enumJoe Perches
Add a --strict test asking for a blank line after function/struct/union/enum declarations. Allow exceptions for several attributes and macro uses. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch.pl: also suggest 'else if' when if follows braceRasmus Villemoes
This might help a kernel hacker think twice before blindly adding a newline. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: ignore email headers betterJoe Perches
There are some patches created by git format-patch that when scanned by checkpatch report errors on lines like To: address.tld This is a checkpatch false positive. Improve the logic a bit to ignore folded email headers to avoid emitting these messages. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: fix function pointers in blank line needed after declarations testJoe Perches
Add a function pointer declaration check to the test for blank line needed after declarations. Signed-off-by: Joe Perches <joe@perches.com> Reported-by: Bruce W Allan <bruce.w.allan@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: fix complex macro false positive for escaped constant charJoe Perches
A single escaped constant char is not a complex macro. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: warn on unnecessary else after return or breakJoe Perches
Using an else following a break or return can unnecessarily indent code blocks. ie: for (i = 0; i < 100; i++) { int foo = bar(); if (foo < 1) break; else usleep(1); } is generally better written as: for (i = 0; i < 100; i++) { int foo = bar(); if (foo < 1) break; usleep(1); } Warn when a bare else statement is preceded by a break or return indented 1 tab more than the else. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06checkpatch: attempt to find unnecessary 'out of memory' messagesJoe Perches
Logging messages that show some type of "out of memory" error are generally unnecessary as there is a generic message and a stack dump done by the memory subsystem. These messages generally increase kernel size without much added value. Emit a warning on these types of messages. This test looks for any inserted message function, then looks at the previous line for an "if (!foo)" or "if (foo == NULL)" test and then looks at the preceding statement for an allocation function like "foo = kmalloc()" ie: this code matches: foo = kmalloc(); if (foo == NULL) { printk("Out of memory\n"); return -ENOMEM; } This test is very crude and incomplete. This test can miss quite a lot of of OOM messages that do not have this specific form. ie: this code does not match: foo = kmalloc(); if (!foo) { rtn = -ENOMEM; printk("Out of memory!\n"); goto out; } This test could also be a false positive when the logging message itself does not specify anything about memory, but I did not find any false positives in my limited testing. spatch could be a better solution but correctness seems non-trivial for that tool too. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull security subsystem updates from James Morris: "In this release: - PKCS#7 parser for the key management subsystem from David Howells - appoint Kees Cook as seccomp maintainer - bugfixes and general maintenance across the subsystem" * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (94 commits) X.509: Need to export x509_request_asymmetric_key() netlabel: shorter names for the NetLabel catmap funcs/structs netlabel: fix the catmap walking functions netlabel: fix the horribly broken catmap functions netlabel: fix a problem when setting bits below the previously lowest bit PKCS#7: X.509 certificate issuer and subject are mandatory fields in the ASN.1 tpm: simplify code by using %*phN specifier tpm: Provide a generic means to override the chip returned timeouts tpm: missing tpm_chip_put in tpm_get_random() tpm: Properly clean sysfs entries in error path tpm: Add missing tpm_do_selftest to ST33 I2C driver PKCS#7: Use x509_request_asymmetric_key() Revert "selinux: fix the default socket labeling in sock_graft()" X.509: x509_request_asymmetric_keys() doesn't need string length arguments PKCS#7: fix sparse non static symbol warning KEYS: revert encrypted key change ima: add support for measuring and appraising firmware firmware_class: perform new LSM checks security: introduce kernel_fw_from_file hook PKCS#7: Missing inclusion of linux/err.h ...
2014-08-06Coccinelle: Script to replace if and BUG with BUG_ONHimangi Saraogi
This script detects cases where BUG() follows an if condition on an expression and replaces the if condition and BUG() with a BUG_ON having the conditional expression of the if statement as argument. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-06Coccinelle: Script to detect incorrect argument to sizeofHimangi Saraogi
This makes an effort to find cases where the argument to sizeof is wrong in memory allocation functions by checking the type of the allocated memory when it is a double pointer and ensuring the sizeof argument takes a pointer to the the memory being allocated. There are false positives in cases the sizeof argument is not used in constructing the return value. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-06Coccinelle: Script to use ARRAY_SIZE instead of division of two sizeofsHimangi Saraogi
This script detects cases where ARRAY_SIZE can be used such as where there is a division of sizeof the array by the sizeof its first element or by any indexed element or the element type. It replaces the division of the two sizeofs by ARRAY_SIZE. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-06Coccinelle: Script to detect cast after memory allocationHimangi Saraogi
This script detects cases of use of cast for the value returned by kmalloc, kzalloc, kcalloc, kmem_cache_alloc, kmem_cache_zalloc, kmem_cache_alloc_node, kmalloc_node and kzalloc_node and removes the cast as it is not useful. This Coccinelle script replaces drop_kmalloc_cast.cocci as it removes the casting in more limited cases of kmalloc, kzalloc and kcalloc. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-06coccinelle/null: solve parse errorHimangi Saraogi
This patch solves the parse-error by adding @@ . This is necessary since Coccinelle version 1.0.0-rc20. Also, the comment is added to use a recent version of Coccinelle. Signed-off-by: Himangi Saraogi <himangi774@gmail.com> Acked-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-05kbuild, LLVMLinux: Supress warnings unless W=1-3Behan Webster
clang has more warnings enabled by default. Turn them off unless W is set. This patch fixes a logic bug where warnings in clang were disabled when W was set. Signed-off-by: Behan Webster <behanw@converseincode.com> Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de> Signed-off-by: Mark Charlebois <charlebm@gmail.com> Cc: bp@alien8.de Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-08-04Merge tag 'driver-core-3.17-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core updates from Greg KH: "Here's the big driver-core pull request for 3.17-rc1. Largest thing in here is the dma-buf rework and fence code, that touched many different subsystems so it was agreed it should go through this tree to handle merge issues. There's also some firmware loading updates, as well as tests added, and a few other tiny changes, the changelog has the details. All have been in linux-next for a long time" * tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits) ARM: imx: Remove references to platform_bus in mxc code firmware loader: Fix _request_firmware_load() return val for fw load abort platform: Remove most references to platform_bus device test: add firmware_class loader test doc: fix minor typos in firmware_class README staging: android: Cleanup style issues Documentation: devres: Sort managed interfaces Documentation: devres: Add devm_kmalloc() et al fs: debugfs: remove trailing whitespace kernfs: kernel-doc warning fix debugfs: Fix corrupted loop in debugfs_remove_recursive stable_kernel_rules: Add pointer to netdev-FAQ for network patches driver core: platform: add device binding path 'driver_override' driver core/platform: remove unused implicit padding in platform_object firmware loader: inform direct failure when udev loader is disabled firmware: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN firmware: read firmware size using i_size_read() firmware loader: allow disabling of udev as firmware loader reservation: add suppport for read-only access using rcu reservation: update api and add some helpers ... Conflicts: drivers/base/platform.c
2014-07-27scripts: modpost: Remove numeric suffix pattern matchingRasmus Villemoes
For several years, the pattern "foo$" has effectively been treated as equivalent to "foo" due to a bug in the (misnamed) helper number_prefix(). This hasn't been observed to cause any problems, so remove the broken $ functionality and change all foo$ patterns to foo. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-07-27scripts: modpost: fix compilation warningMichal Nazarewicz
The scripts/mod/modpost.c triggers the following warning: scripts/mod/modpost.c: In function ‘remove_dot’: scripts/mod/modpost.c:1710:10: warning: ignoring return value of ‘strtoul’, declared with attribute warn_unused_result [-Wunused-result] The remove_dot function that calls strtoul does not care about the numeric value of the string that is parsed but only looks for the end of the numeric sequence. As such, it's equivalent to just skip over all digits. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2014-07-21Merge 3.16-rc6 into driver-core-nextGreg Kroah-Hartman
We want the platform changes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-07-19Merge branch 'next' of git://git.infradead.org/users/pcmoore/selinux into nextJames Morris
2014-07-17Merge branch 'rcu/next' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu Pull RCU updates from Paul E. McKenney: * Update RCU documentation. * Miscellaneous fixes. * Maintainership changes. * Torture-test updates. * Callback-offloading changes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-07-16kbuild: clean-up and bug fix of scripts/Makefile.hostMasahiro Yamada
Assume we have a Makefile like this: hostprogs-y := foo foo-cxxobjs := bar/baz.o foo-objs := qux/quux.o In this case, Kbuild creates bar/ directory, but fails to create qux/ directory. This commit re-writes directory creation more simply, fixing that bug. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-07-16kbuild: clean up scripts/Makefile.hostMasahiro Yamada
The directory creation can be more simplified by two levels. [1] Drop $(dir ...) $(dir $(f)) always returns non-empty string. So, $(if $(dir $(f)),$(dir $(f)) is equivalent to $(dir $(f)). [2] Unroll $(foreach ...) loop $(dir ...) can take one or more arguments and returns a list of directories of them. $(foreach f, $(progs), $(dir $(f))) can be unrolled as $(dir $(progs)). Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-07-16kbuild: drop shared library support from Makefile.hostMasahiro Yamada
The shared library feature in Makefile.host is no longer used. Rip it off to keep the build infrastucture simple. Update Documentation/kbuild/makefiles.txt too. The section "4.3 Definition shared libraries" should be removed and the following sections should be re-numbered. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-07-16kbuild: fix a bug of C++ host program handlingMasahiro Yamada
The comment claims: C++ executables compiled from at least one .cc file and zero or more .c files But C++ executables with zero .c file fail in build. For example, assume we have a Makefile like this: hostprogs-y := foo foo-cxxobjs := bar.o In this case, foo is treated as host-csingle and Kbuild tries to search non-existing foo.c source. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-07-16kbuild: fix a typo in scripts/Makefile.hostMasahiro Yamada
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-07-12scripts/kernel-doc: handle object-like macrosHoria Geanta
Object-like macros are different than function-like macros: https://gcc.gnu.org/onlinedocs/cpp/Object-like-Macros.html https://gcc.gnu.org/onlinedocs/cpp/Function-like-Macros.html They are not parsed correctly, generating invalid intermediate files (xmls) for cases like: #define BIT_MASK (0xFF << BIT_SHIFT) where "OxFF <<" is considered to be parameter type. When parsing, we can differentiate beween these two types of macros by checking whether there is at least one whitespace b/w "#define" and first opening parenthesis. Signed-off-by: Horia Geanta <horia.geanta@freescale.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-07-08scripts: Teach get_maintainer.pl about the new "R:" tagJoe Perches
We can now designate reviewers in the MAINTAINERS file with the new "R:" tag, so this commit teaches get_maintainers.pl to add their email addresses. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2014-07-03scripts/Makefile.clean: clean also $(extra-m) and $(extra-)Masahiro Yamada
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Signed-off-by: Michal Marek <mmarek@suse.cz>
2014-07-03Merge branch 'component-for-driver' of ↵Greg Kroah-Hartman
git://ftp.arm.linux.org.uk/~rmk/linux-arm into driver-core-next Russell writes: These updates fix one bug in the component helper where the matched components are not properly cleaned up when the master fails to bind. I'll provide a version of this for stable trees if it's deemed that we need to backport it. The second patch causes the component helper to ignore duplicate matches when adding components - this is something that was originally needed for imx-drm, but since that has now been updated, we no longer need to skip over a component which has already been matched. The final patch starts the process of updating the component helper API to achieve two goals: to allow the API to be more efficient when deferred probing occurs, and to allow for future improvements to the component helper without having a major impact on the users. This represents groundwork for some other changes; once this has been merged, I will then send two further pull requests (one for the staging tree, and one for the DRM tree) to update the drivers to the new API. This will result in these three commits being shared with those trees.
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