UBI: make vid_hdr non-static

Remove 'static' modifier from the 'vid_hdr' local variable. I do not know
how it slipped in, but this is a bug and will break UBI if someone attaches
2 UBI volumes at the same time.

Artem: amended teh commit message, added -stable.

Signed-off-by: Richard Weinberger <rw@linutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Cc: stable@kernel.org

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 9ad18da1891d..890754c9f327 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -306,7 +306,7 @@ static int create_vtbl(struct ubi_device *ubi, struct ubi_scan_info *si,
                        int copy, void *vtbl)
 {
         int err, tries = 0;
-        static struct ubi_vid_hdr *vid_hdr;
+        struct ubi_vid_hdr *vid_hdr;
         struct ubi_scan_leb *new_seb;
 
         ubi_msg("create volume table (copy #%d)", copy + 1);