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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-09-20 09:00:47 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-09-20 09:01:03 +0200 |
| commit | bf3b7c6a8f197114305fc31d3bfa4c73dbae50e4 (patch) | |
| tree | abde6505e85f74d343be227c605a9443df7a4849 | |
| parent | 660809446f5e4cefaf962e6044d5060d194bbd4a (diff) | |
| download | barebox-bf3b7c6a8f197114305fc31d3bfa4c73dbae50e4.tar.gz barebox-bf3b7c6a8f197114305fc31d3bfa4c73dbae50e4.tar.xz | |
mtd mtdraw: fix fixing partial page read
toread is unitialized. We have to use count instead.
| commit 992c291e9561381cf86d4a7fc9271c2b60fea0c1
| Author: Sascha Hauer <s.hauer@pengutronix.de>
| Date: Sat Sep 15 16:54:47 2012 +0200
|
| mtd mtdraw: Fix partial page read
|
| When reading parts of a page we have to limit the maximum bytes copied
| to the remaining bytes of a page.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/mtd/mtdraw.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/mtdraw.c b/drivers/mtd/mtdraw.c index dab9bbc459..f541802a84 100644 --- a/drivers/mtd/mtdraw.c +++ b/drivers/mtd/mtdraw.c @@ -128,7 +128,7 @@ static ssize_t mtdraw_read(struct cdev *cdev, void *buf, size_t count, skip = offset % (mtd->writesize + mtd->oobsize); while (ret > 0 && count > 0) { - toread = min_t(int, toread, + toread = min_t(int, count, mtd->writesize + mtd->oobsize - skip); ret = mtdraw_read_unaligned(mtd, buf, toread, skip, numpage++ * mtd->writesize); |