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Subject: Re: [PATCH] strstrip incorrectly marked __must_check

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Recently, We marked strstrip() as must_check.  because it was frequently
misused and it should be checked.  However, we found one exception.
scsi/ipr.c intentionally ignore return value of strstrip.  Because it
wishes to keep the whitespace at the beginning.

Thus we need to keep with and without checked whitespace trim function.
This patch adds a new strim() and changes ipr.c to use it.

[akpm@linux-foundation.org: coding-style fixes]
Suggested-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
KOSAKI Motohiro 2009-12-14 18:01:15 -08:00 • committed by Linus Torvalds
parent 925ede0bf4
commit ca54cb8c9e
3 changed files with 13 additions and 6 deletions
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9
include/linux/string.h
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@ -63,7 +63,14 @@ extern char * strnchr(const char *, size_t, int);
extern char * strrchr(const char *,int);
#endif
extern char * __must_check skip_spaces(const char *);
extern char * __must_check strstrip(char *);
extern char *strim(char *);
static inline __must_check char *strstrip(char *str)
{
return strim(str);
}
#ifndef __HAVE_ARCH_STRSTR
extern char * strstr(const char *,const char *);
#endif