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strstrip(): mark as as must_check 

strstrip() can return a modified value of its input argument, when
removing elading whitesapce.  So it is surely bug for this function's
return value to be ignored.  The caller is probably going to use the
incorrect original pointer.

So mark it __must_check to prevent this frm happening (as it has before).

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
KOSAKI Motohiro 2009-10-26 16:49:37 -07:00 committed by Linus Torvalds
parent 478988d3b2
commit 0a1b71b400
1 changed files with 1 additions and 1 deletions
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2
include/linux/string.h
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@ -62,7 +62,7 @@ extern char * strnchr(const char *, size_t, int);
#ifndef __HAVE_ARCH_STRRCHR
extern char * strrchr(const char *,int);
#endif
extern char * strstrip(char *);
extern char * __must_check strstrip(char *);
#ifndef __HAVE_ARCH_STRSTR
extern char * strstr(const char *,const char *);
#endif