A rework of UBI that just appeared in linux-next during the merge
window introduced caused the recover_peb to use a variable that
is never initialized as seen from this gcc warning:

drivers/mtd/ubi/eba.c: In function ‘recover_peb’:
drivers/mtd/ubi/eba.c:744:40: error: ‘vid_hdr’ may be used uninitialized in 
this function [-Werror=maybe-uninitialized]

It seems clear that the change to the function arguments was missing
the initialization that I'm now adding back to restore the
way the function was working before.

Fixes: 3291b52f9ff0 ("UBI: introduce the VID buffer concept")
Cc: Boris Brezillon <boris.brezil...@free-electrons.com>
Cc: Richard Weinberger <rich...@nod.at>
Signed-off-by: Arnd Bergmann <a...@arndb.de>
 drivers/mtd/ubi/eba.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 95c4048..2e152be 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -719,7 +719,7 @@ static int try_recover_peb(struct ubi_volume *vol, int 
pnum, int lnum,
                           struct ubi_vid_io_buf *vidb, bool *retry)
        struct ubi_device *ubi = vol->ubi;
-       struct ubi_vid_hdr *vid_hdr;
+       struct ubi_vid_hdr *vid_hdr = ubi_get_vid_hdr(vidb);
        int new_pnum, err, vol_id = vol->vol_id, data_size;
        uint32_t crc;

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