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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-20 13:26:09 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2017-03-23 14:20:01 +0100 |
| commit | 66d7674f8babfebac46ee203f7d64deda0d7ab21 (patch) | |
| tree | b3932769cc1e4a8203f218c2d8358caca55d0337 | |
| parent | 26a1aedb1b38f625c037d31381f721ac55f4420f (diff) | |
| download | barebox-66d7674f8babfebac46ee203f7d64deda0d7ab21.tar.gz barebox-66d7674f8babfebac46ee203f7d64deda0d7ab21.tar.xz | |
mtd: fix reading data from page that needs cleanup
mtd_read´() returns -EUCLEAN to indicate that a page needs cleanup.
This value shouldn't be returned from the mtd read file operation
since this should return the number of bytes read.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/mtd/core.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/mtd/core.c b/drivers/mtd/core.c index 90b800c7b2..4e7bfdb3da 100644 --- a/drivers/mtd/core.c +++ b/drivers/mtd/core.c @@ -105,11 +105,10 @@ static ssize_t mtd_op_read(struct cdev *cdev, void* buf, size_t count, offset, count); ret = mtd_read(mtd, offset, count, &retlen, buf); - if (ret < 0) + if (ret < 0 && ret != -EUCLEAN) return ret; - if (mtd->ecc_strength == 0) - return retlen; /* device lacks ecc */ - return ret >= mtd->bitflip_threshold ? -EUCLEAN : retlen; + + return retlen; } #define NOTALIGNED(x) (x & (mtd->writesize - 1)) != 0 |