3.5.7.17 -stable review patch. If anyone has any objections, please let me know.
------------------ From: Jiang Liu <[email protected]> commit 65c484609a3b25c35e4edcd5f2c38f98f5226093 upstream. 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 <[email protected]> Acked-by: Minchan Kim <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> [ luis: backported to 3.5: adjusted context ] Signed-off-by: Luis Henriques <[email protected]> --- 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 7860762..6b1e443 100644 --- a/drivers/staging/zram/zram_drv.c +++ b/drivers/staging/zram/zram_drv.c @@ -361,8 +361,6 @@ 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_stat_inc(&zram->stats.pages_zero); zram_set_flag(zram, index, ZRAM_ZERO); ret = 0; -- 1.8.1.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
