This is a note to let you know that I've just added the patch titled
lib: add "on"/"off" support to kstrtobool
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
lib-add-on-off-support-to-kstrtobool.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From a81a5a17d44b26521fb1199f8ccf27f4af337a67 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Thu, 17 Mar 2016 14:22:57 -0700
Subject: lib: add "on"/"off" support to kstrtobool
From: Kees Cook <keescook@xxxxxxxxxxxx>
commit a81a5a17d44b26521fb1199f8ccf27f4af337a67 upstream.
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>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
lib/kstrtox.c | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
--- 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;
}
Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are
queue-4.4/ovl-fix-info-leak-in-ovl_lookup_temp.patch
queue-4.4/lib-update-single-char-callers-of-strtobool.patch
queue-4.4/pstore-ram-use-memcpy_toio-instead-of-memcpy.patch
queue-4.4/pstore-core-drop-cmpxchg-based-updates.patch
queue-4.4/pstore-ramoops-fixup-driver-removal.patch
queue-4.4/lib-add-on-off-support-to-kstrtobool.patch
queue-4.4/pstore-ram-use-memcpy_fromio-to-save-old-buffer.patch
queue-4.4/lib-move-strtobool-to-kstrtobool.patch
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