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authorIngo Molnar <mingo@kernel.org>2016-07-09 10:43:49 +0200
committerIngo Molnar <mingo@kernel.org>2016-07-09 10:43:49 +0200
commit52e31f89cc40c613b22e62108fe12b27433a888e (patch)
treec3cd45d6950706c32efdd341715e70b6ee6d7a5e /fs/reiserfs/super.c
parent9a7e7b571826c4399aa639af4a670642d96d935c (diff)
parentee40fb2948fc99096836995d4f3ddcc0efbac790 (diff)
downloadblackbird-op-linux-52e31f89cc40c613b22e62108fe12b27433a888e.tar.gz
blackbird-op-linux-52e31f89cc40c613b22e62108fe12b27433a888e.zip
Merge branch 'linus' into x86/asm, to pick up fixes before merging new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/reiserfs/super.c')
-rw-r--r--fs/reiserfs/super.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index b8f2d1e8c645..c72c16c5a60f 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1393,7 +1393,7 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
unsigned long safe_mask = 0;
unsigned int commit_max_age = (unsigned int)-1;
struct reiserfs_journal *journal = SB_JOURNAL(s);
- char *new_opts = kstrdup(arg, GFP_KERNEL);
+ char *new_opts;
int err;
char *qf_names[REISERFS_MAXQUOTAS];
unsigned int qfmt = 0;
@@ -1401,6 +1401,10 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
int i;
#endif
+ new_opts = kstrdup(arg, GFP_KERNEL);
+ if (arg && !new_opts)
+ return -ENOMEM;
+
sync_filesystem(s);
reiserfs_write_lock(s);
@@ -1546,7 +1550,8 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg)
}
out_ok_unlocked:
- replace_mount_options(s, new_opts);
+ if (new_opts)
+ replace_mount_options(s, new_opts);
return 0;
out_err_unlock:
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