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authorKees Cook <keescook@chromium.org>2016-03-17 14:22:50 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-17 15:09:34 -0700
commitef951599074ba4fad2d0efa0a977129b41e6d203 (patch)
treedcbd4d37ac7bb455efe788b9df90d24632bbfa25 /lib/string.c
parente3bde9568d992c5f985e6e30731a5f9f9bef7b13 (diff)
lib: move strtobool() to kstrtobool()
Create the kstrtobool_from_user() helper and move strtobool() logic into the new kstrtobool() (matching all the other kstrto* functions). Provides an inline wrapper for existing strtobool() callers. Signed-off-by: Kees Cook <keescook@chromium.org> Cc: Joe Perches <joe@perches.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Amitkumar Karwar <akarwar@marvell.com> Cc: Nishant Sarmukadam <nishants@marvell.com> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Steve French <sfrench@samba.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/string.c')
-rw-r--r--lib/string.c29
1 files changed, 0 insertions, 29 deletions
diff --git a/lib/string.c b/lib/string.c
index e9c9db161d2c..ed83562a53ae 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -656,35 +656,6 @@ int match_string(const char * const *array, size_t n, const char *string)
}
EXPORT_SYMBOL(match_string);
-/**
- * strtobool - convert common user inputs into boolean values
- * @s: input string
- * @res: result
- *
- * This routine returns 0 iff the first character is one of 'Yy1Nn0'.
- * Otherwise it will return -EINVAL. Value pointed to by res is
- * updated upon finding a match.
- */
-int strtobool(const char *s, bool *res)
-{
- switch (s[0]) {
- case 'y':
- case 'Y':
- case '1':
- *res = true;
- break;
- case 'n':
- case 'N':
- case '0':
- *res = false;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-EXPORT_SYMBOL(strtobool);
-
#ifndef __HAVE_ARCH_MEMSET
/**
* memset - Fill a region of memory with the given value