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ubifs: Check for name being NULL while mounting
[sfrench/cifs-2.6.git]
/
fs
/
ubifs
/
super.c
diff --git
a/fs/ubifs/super.c
b/fs/ubifs/super.c
index 23e7042666a755dd361720e3a29b1a56585fee33..87d08f738632820e65921afa3addbe747b1a61e3 100644
(file)
--- a/
fs/ubifs/super.c
+++ b/
fs/ubifs/super.c
@@
-1954,6
+1954,9
@@
static struct ubi_volume_desc *open_ubi(const char *name, int mode)
int dev, vol;
char *endptr;
+ if (!name || !*name)
+ return ERR_PTR(-EINVAL);
+
/* First, try to open using the device node path method */
ubi = ubi_open_volume_path(name, mode);
if (!IS_ERR(ubi))