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checkpatch: prefer __printf over __attribute__((format(printf,...)))

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Add a warn for not using __printf.

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 2012-01-10 15:09:52 -08:00 committed by Linus Torvalds
parent 270c49a088
commit 5f14d3bd87
1 changed files with 6 additions and 0 deletions
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6
scripts/checkpatch.pl
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@ -3114,6 +3114,12 @@ sub process {
"__aligned(size) is preferred over __attribute__((aligned(size)))\n" . $herecurr);
}
# Check for __attribute__ format(printf, prefer __printf
if ($line =~ /\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf/) {
WARN("PREFER_PRINTF",
"__printf(string-index, first-to-check) is preferred over __attribute__((format(printf, string-index, first-to-check)))\n" . $herecurr);
}
# check for sizeof(&)
if ($line =~ /\bsizeof\s*\(\s*\&/) {
WARN("SIZEOF_ADDRESS",