3.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Xi Wang <xi.w...@gmail.com>
commit e25fbe380c4e3c09afa98bcdcd9d3921443adab8 upstream.
The following null pointer check is broken.
*option = match_strdup(args);
return !option;
The pointer `option' must be non-null, and thus `!option' is always false.
Use `!*option' instead.
The bug was introduced in commit c5cb09b6f8 ("Cleanup: Factor out some
cut-and-paste code.").
Signed-off-by: Xi Wang <xi.w...@gmail.com>
Signed-off-by: Trond Myklebust <trond.mykleb...@netapp.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
fs/nfs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1150,7 +1150,7 @@ static int nfs_get_option_str(substring_
{
kfree(*option);
*option = match_strdup(args);
- return !option;
+ return !*option;
}
static int nfs_get_option_ul(substring_t args[], unsigned long *option)
--
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