diff options
| author | Dave Jones <[email protected]> | 2011-03-22 16:34:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2011-03-22 17:44:15 -0700 |
| commit | 309c00c73f053a905d144b430d4fb55d811085e2 (patch) | |
| tree | 2226c4b1c86395078abfccdb54b17be93ea6e8ad | |
| parent | b0781216e7bff68aca2fbcd275b4db7531d1e22f (diff) | |
checkpatch: warn about memset with swapped arguments
Because the second and third arguments of memset have the same type, it
turns out to be really easy to mix them up.
This bug comes up time after time, so checkpatch should really be checking
for it at patch submission time.
Signed-off-by: Dave Jones <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Andy Whitcroft <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rwxr-xr-x | scripts/checkpatch.pl | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 19abef2b4dd5..8f9e394298cd 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2902,6 +2902,11 @@ sub process { $line =~ /DEVICE_ATTR.*S_IWUGO/ ) { WARN("Exporting world writable files is usually an error. Consider more restrictive permissions.\n" . $herecurr); } + + # Check for memset with swapped arguments + if ($line =~ /memset.*\,(\ |)(0x|)0(\ |0|)\);/) { + ERROR("memset size is 3rd argument, not the second.\n" . $herecurr); + } } # If we have no input at all, then there is nothing to report on |