The patch titled
Subject: lib: add "on"/"off" support to kstrtobool
has been added to the -mm tree. Its filename is
lib-add-on-off-support-to-kstrtobool.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-add-on-off-support-to-kstrtobool.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-add-on-off-support-to-kstrtobool.patch
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------------------------------------------------------
From: Kees Cook <keescook@xxxxxxxxxxxx>
Subject: lib: add "on"/"off" support to kstrtobool
Add support for "on" and "off" when converting to boolean.
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Cc: Amitkumar Karwar <akarwar@xxxxxxxxxxx>
Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Cc: Joe Perches <joe@xxxxxxxxxxx>
Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx>
Cc: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Cc: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
Cc: Nishant Sarmukadam <nishants@xxxxxxxxxxx>
Cc: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
Cc: Steve French <sfrench@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/kstrtox.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff -puN lib/kstrtox.c~lib-add-on-off-support-to-kstrtobool lib/kstrtox.c
--- a/lib/kstrtox.c~lib-add-on-off-support-to-kstrtobool
+++ a/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;
}
_
Patches currently in -mm which might be from keescook@xxxxxxxxxxxx are
lib-move-strtobool-to-kstrtobool.patch
lib-update-single-char-callers-of-strtobool.patch
lib-add-on-off-support-to-kstrtobool.patch
param-convert-some-on-off-users-to-strtobool.patch
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