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lib/glob: initialize back_str to silence uninitialized variable warning 

back_str is only used when back_pat is non-NULL, and both are always set
together, so it is safe in practice.  Initialize back_str to NULL to make
this safety invariant explicit and silence compiler/static analysis
warnings.

Link: https://lkml.kernel.org/r/20260312215249.50165-1-objecting@objecting.org
Signed-off-by: Josh Law <objecting@objecting.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
master
Josh Law 2026-03-12 21:52:49 +00:00 committed by Andrew Morton
parent d1db411848
commit c9ba82624b
1 changed files with 1 additions and 1 deletions
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lib/glob.c
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@ -47,7 +47,7 @@ bool __pure glob_match(char const *pat, char const *str)
* (no exception for /), it can be easily proved that there's * (no exception for /), it can be easily proved that there's
* never a need to backtrack multiple levels. * never a need to backtrack multiple levels.
*/ */
char const *back_pat = NULL, *back_str; char const *back_pat = NULL, *back_str = NULL;
/* /*
* Loop over each token (character or class) in pat, matching * Loop over each token (character or class) in pat, matching