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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2017-03-01 16:57:03 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-02 08:41:53 +0100 |
| commit | faa369e9c55aa3b1f92bdb6a08d040af228ecedd (patch) | |
| tree | e164ac7fe3b2113516621f86b5b073f57f52c1e5 /drivers | |
| parent | e0ff988ad865f3370ddeb8e75eefd9ed27d6641b (diff) | |
| download | barebox-faa369e9c55aa3b1f92bdb6a08d040af228ecedd.tar.gz barebox-faa369e9c55aa3b1f92bdb6a08d040af228ecedd.tar.xz | |
nand-bb: fix writing to the end of a .bb device
As nand_bb_write_buf calls mtd_write(bb->mtd, cur_ofs, now, ...) the
limit that now should be checked against is bb->mtd->size - cur_ofs.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/nand/nand-bb.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand-bb.c b/drivers/mtd/nand/nand-bb.c index 015f8dc524..a1523c3c89 100644 --- a/drivers/mtd/nand/nand-bb.c +++ b/drivers/mtd/nand/nand-bb.c @@ -99,7 +99,7 @@ static int nand_bb_write_buf(struct nand_bb *bb, size_t count) loff_t cur_ofs = bb->offset & ~(BB_WRITEBUF_SIZE - 1); while (count) { - loff_t max = bb->mtd->size - bb->offset; + loff_t max = bb->mtd->size - cur_ofs; if (max <= 0) return -ENOSPC; |