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| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2013-06-22 17:21:00 +0300 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-03-20 17:44:25 +0900 |
| commit | 1d4055a737b9663e68244b2996eb3f435b1d4322 (patch) | |
| tree | c1f224e9a8c374f81853c7b7cbae74585f771fe8 /drivers | |
| parent | 858f70f06a233e886d7f69ddfe463888fed26938 (diff) | |
| download | linux-3.10-1d4055a737b9663e68244b2996eb3f435b1d4322.tar.gz linux-3.10-1d4055a737b9663e68244b2996eb3f435b1d4322.tar.bz2 linux-3.10-1d4055a737b9663e68244b2996eb3f435b1d4322.zip | |
zram: allow request end to coincide with disksize
Pass valid_io_request() checks if request end coincides with disksize
(end equals bound), only fail if we attempt to read beyond the bound.
mkfs.ext2 produces numerous errors:
[ 2164.632747] quiet_error: 1 callbacks suppressed
[ 2164.633260] Buffer I/O error on device zram0, logical block 153599
[ 2164.633265] lost page write due to I/O error on zram0
Change-Id: Ife5ddef82610e1470d233ce4bdf042ed738064b6
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/zram/zram_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index 753877431b5..82c7202fd5c 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -180,7 +180,7 @@ static inline int valid_io_request(struct zram *zram, struct bio *bio) end = start + (bio->bi_size >> SECTOR_SHIFT); bound = zram->disksize >> SECTOR_SHIFT; /* out of range range */ - if (unlikely(start >= bound || end >= bound || start > end)) + if (unlikely(start >= bound || end > bound || start > end)) return 0; /* I/O request is valid */ |