* [PATCH] scripts/tags.sh: Fix warnings "null expansion of name pattern"
@ 2024-10-25 13:03 Costa Shulyupin
0 siblings, 0 replies; only message in thread
From: Costa Shulyupin @ 2024-10-25 13:03 UTC (permalink / raw)
To: Greg Kroah-Hartman, Wei Yang, Costa Shulyupin, Steven Rostedt,
Peter Zijlstra (Intel),
René Nyffenegger, linux-kernel
Warnings such as
ctags: Warning: include/linux/wait_bit.h:59: null expansion of name pattern "\1"
are triggered when parsing DECLARE_BITMAP() inside comments,
resulting in an empty token.
To avoid this, ensure only non-empty tokens.
Signed-off-by: Costa Shulyupin <costa.shul@redhat.com>
---
scripts/tags.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 68b2b49f5688..db7972b6109e 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -189,7 +189,7 @@ regex_c=(
'/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
'/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
'/\<DECLARE_\(RWSEM\|COMPLETION\)([[:space:]]*\([[:alnum:]_]\+\)/\2/v/'
- '/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]*\)/\1/v/'
+ '/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]\+\)/\1/v/'
'/\(^\|\s\)\(\|L\|H\)LIST_HEAD([[:space:]]*\([[:alnum:]_]*\)/\3/v/'
'/\(^\|\s\)RADIX_TREE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
'/\<DEFINE_PER_CPU([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/'
--
2.47.0
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2024-10-25 13:03 [PATCH] scripts/tags.sh: Fix warnings "null expansion of name pattern" Costa Shulyupin
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