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[MTD] Fix RedBoot partition parsing regression harder.

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Correct the location of the recalculation of the FIS directory size,
and also add the same recalculation for the byte-swapped case.

Signed-off-by: Rod Whitby <rod@whitby.id.au>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Rod Whitby 2007-02-10 09:26:48 +00:00 committed by David Woodhouse
parent a2593247d7
commit 11192146e5
1 changed files with 5 additions and 3 deletions
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8
drivers/mtd/redboot.c
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@ -96,6 +96,8 @@ static int parse_redboot_partitions(struct mtd_info *master,
*/ */
if (swab32(buf[i].size) == master->erasesize) { if (swab32(buf[i].size) == master->erasesize) {
int j; int j;
/* Update numslots based on actual FIS directory size */
numslots = swab32(buf[i].size) / sizeof (struct fis_image_desc);
for (j = 0; j < numslots; ++j) { for (j = 0; j < numslots; ++j) {
/* A single 0xff denotes a deleted entry. /* A single 0xff denotes a deleted entry.
@ -120,11 +122,11 @@ static int parse_redboot_partitions(struct mtd_info *master,
swab32s(&buf[j].desc_cksum); swab32s(&buf[j].desc_cksum);
swab32s(&buf[j].file_cksum); swab32s(&buf[j].file_cksum);
} }
} else {
/* Update numslots based on actual FIS directory size */
numslots = buf[i].size / sizeof(struct fis_image_desc);
} }
break; break;
} else if (buf[i].size != -1) {
/* re-calculate of real numslots */
numslots = buf[i].size / sizeof(struct fis_image_desc);
} }
} }
if (i == numslots) { if (i == numslots) {