checkpatch: improve ALLOC_ARRAY_ARGS test

The devm_ variant of 'kcalloc()' and 'kmalloc_array()' are not tested
Add the corresponding check.

Link: https://lkml.kernel.org/r/205fc4847972fb6779abcc8818f39c14d1b45af1.1618595794.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
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>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 44b9dc3..23697a6 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -7006,7 +7006,7 @@ sub process {
                }
 
 # check for alloc argument mismatch
-               if ($line =~ /\b(kcalloc|kmalloc_array)\s*\(\s*sizeof\b/) {
+               if ($line =~ /\b((?:devm_)?(?:kcalloc|kmalloc_array))\s*\(\s*sizeof\b/) {
                        WARN("ALLOC_ARRAY_ARGS",
                             "$1 uses number as first arg, sizeof is generally wrong\n" . $herecurr);
                }