Messages in this thread Patch in this message | | | From | Jiang Liu <> | Subject | [PATCH v3 04/10] zram: avoid double free in function zram_bvec_write() | Date | Fri, 7 Jun 2013 00:07:25 +0800 |
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When doing a patial write and the whole page is filled with zero, zram_bvec_write() will free uncmem twice.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com> Acked-by: Minchan Kim <minchan@kernel.org> Cc: stable@vger.kernel.org --- drivers/staging/zram/zram_drv.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c index 2ca6dc9..27ab824 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -272,8 +272,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, if (page_zero_filled(uncmem)) { kunmap_atomic(user_mem); - if (is_partial_io(bvec)) - kfree(uncmem); zram->stats.pages_zero++; zram_set_flag(meta, index, ZRAM_ZERO); ret = 0; -- 1.8.1.2
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