diff options
Diffstat (limited to 'package/mtd/src/trx.c')
| -rw-r--r-- | package/mtd/src/trx.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/package/mtd/src/trx.c b/package/mtd/src/trx.c index d1aab36923..65c24404c2 100644 --- a/package/mtd/src/trx.c +++ b/package/mtd/src/trx.c @@ -154,15 +154,15 @@ mtd_fixtrx(const char *mtd, size_t offset) if (quiet < 2) fprintf(stderr, "Trying to fix trx header in %s at 0x%x...\n", mtd, offset); - block_offset = offset & ~(erasesize - 1); - offset -= block_offset; - fd = mtd_check_open(mtd); if(fd < 0) { fprintf(stderr, "Could not open mtd device: %s\n", mtd); exit(1); } + block_offset = offset & ~(erasesize - 1); + offset -= block_offset; + if (block_offset + erasesize > mtdsize) { fprintf(stderr, "Offset too large, device size 0x%x\n", mtdsize); exit(1); |