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UBI: simplify image sequence test

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The test:
if (!a && b)
  a = b;
can be symplified in:
if (!a)
  a = b;

And there's no need to test if ubi->image_seq is not null, because if it is,
it is set to image_seq.
So, we just test if image_seq is not null.

Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Richard Genoud 2013-09-28 15:55:14 +02:00 committed by Artem Bityutskiy
parent c22301ad4f
commit 55b80c409a
1 changed files with 2 additions and 3 deletions
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5
drivers/mtd/ubi/attach.c
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@ -900,10 +900,9 @@ static int scan_peb(struct ubi_device *ubi, struct ubi_attach_info *ai,
* number.
*/
image_seq = be32_to_cpu(ech->image_seq);
if (!ubi->image_seq && image_seq)
if (!ubi->image_seq)
ubi->image_seq = image_seq;
if (ubi->image_seq && image_seq &&
ubi->image_seq != image_seq) {
if (image_seq && ubi->image_seq != image_seq) {
ubi_err("bad image sequence number %d in PEB %d, expected %d",
image_seq, pnum, ubi->image_seq);
ubi_dump_ec_hdr(ech);