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checkpatch: add a "prefer __aligned" check 

Prefer the use of __aligned(size) over __attribute__((__aligned___(size)))

Link: http://lkml.kernel.org/r/20110609094526.1571774c.akpm@linux-foundation.org

Suggested-by: Andrew Morton <akpm@linux-foundation.org>
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>
This commit is contained in:
Joe Perches 2011-07-25 17:13:24 -07:00 committed by Linus Torvalds
parent 2011247550
commit 39b7e2878e
1 changed files with 5 additions and 0 deletions
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5
scripts/checkpatch.pl
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@ -2891,6 +2891,11 @@ sub process {
WARN("__packed is preferred over __attribute__((packed))\n" . $herecurr); WARN("__packed is preferred over __attribute__((packed))\n" . $herecurr);
} }
# Check for __attribute__ aligned, prefer __aligned
if ($line =~ /\b__attribute__\s*\(\s*\(.*aligned/) {
WARN("__aligned(size) is preferred over __attribute__((aligned(size)))\n" . $herecurr);
}
# check for sizeof(&) # check for sizeof(&)
if ($line =~ /\bsizeof\s*\(\s*\&/) { if ($line =~ /\bsizeof\s*\(\s*\&/) {
WARN("sizeof(& should be avoided\n" . $herecurr); WARN("sizeof(& should be avoided\n" . $herecurr);