diff options
| author | Kees Cook <keescook@chromium.org> | 2016-03-17 14:22:57 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-03-17 15:09:34 -0700 |
| commit | a81a5a17d44b26521fb1199f8ccf27f4af337a67 (patch) | |
| tree | 20e808f905e3ab2c24fcb9df40e2d0143f5a98b0 | |
| parent | 1404297ebf76fd91a41de215fc8c94c2619e5fdb (diff) | |
lib: add "on"/"off" support to kstrtobool
Add support for "on" and "off" when converting to boolean.
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Amitkumar Karwar <akarwar@marvell.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Joe Perches <joe@perches.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nishant Sarmukadam <nishants@marvell.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Steve French <sfrench@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | lib/kstrtox.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/lib/kstrtox.c b/lib/kstrtox.c index e8ba4a013e82..d8a5cf66c316 100644 --- a/lib/kstrtox.c +++ b/lib/kstrtox.c @@ -326,9 +326,9 @@ EXPORT_SYMBOL(kstrtos8); * @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. + * This routine returns 0 iff the first character is one of 'Yy1Nn0', or + * [oO][NnFf] for "on" and "off". Otherwise it will return -EINVAL. Value + * pointed to by res is updated upon finding a match. */ int kstrtobool(const char *s, bool *res) { @@ -346,6 +346,20 @@ int kstrtobool(const char *s, bool *res) case '0': *res = false; return 0; + case 'o': + case 'O': + switch (s[1]) { + case 'n': + case 'N': + *res = true; + return 0; + case 'f': + case 'F': + *res = false; + return 0; + default: + break; + } default: break; } |