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[v2,2/7] checkpatch: Add __alloc_size() to known $Attribute

Message ID 20210818214021.2476230-3-keescook@chromium.org (mailing list archive)
State New
Headers show
Series Add __alloc_size() for better bounds checking | expand

Commit Message

Kees Cook Aug. 18, 2021, 9:40 p.m. UTC 
Make sure checkpatch.pl doesn't get confused about finding the
__alloc_size attribute on functions.

Suggested-by: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
---
 scripts/checkpatch.pl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index a65753c05a69..e4b0def605c3 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -489,7 +489,8 @@  our $Attribute	= qr{
 			____cacheline_aligned|
 			____cacheline_aligned_in_smp|
 			____cacheline_internodealigned_in_smp|
-			__weak
+			__weak|
+			__alloc_size\s*\(\s*\d+\s*(?:,\s*\d+\s*)?\)
 		  }x;
 our $Modifier;
 our $Inline	= qr{inline|__always_inline|noinline|__inline|__inline__};