checkpatch: prefer __printf over __attribute__((format(printf,...)))
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>
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@ -3114,6 +3114,12 @@ sub process {
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"__aligned(size) is preferred over __attribute__((aligned(size)))\n" . $herecurr);
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"__aligned(size) is preferred over __attribute__((aligned(size)))\n" . $herecurr);
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}
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}
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# Check for __attribute__ format(printf, prefer __printf
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if ($line =~ /\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf/) {
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WARN("PREFER_PRINTF",
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"__printf(string-index, first-to-check) is preferred over __attribute__((format(printf, string-index, first-to-check)))\n" . $herecurr);
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}
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# check for sizeof(&)
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# check for sizeof(&)
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if ($line =~ /\bsizeof\s*\(\s*\&/) {
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if ($line =~ /\bsizeof\s*\(\s*\&/) {
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WARN("SIZEOF_ADDRESS",
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WARN("SIZEOF_ADDRESS",
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