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))