`bool locked' local variable tells us if we should perform zcomp_strm_release() or not (jumped to `out' label before zcomp_strm_find() occurred), which is equivalent to `zstrm' being or not being NULL. remove `locked' and check `zstrm' instead.
Signed-off-by: Sergey Senozhatsky <[email protected]> --- drivers/block/zram/zram_drv.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 8dcbced..e917d36 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -585,8 +585,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, struct page *page; unsigned char *user_mem, *cmem, *src, *uncmem = NULL; struct zram_meta *meta = zram->meta; - struct zcomp_strm *zstrm; - bool locked = false; + struct zcomp_strm *zstrm = NULL; unsigned long alloced_pages; page = bvec->bv_page; @@ -606,7 +605,6 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, } zstrm = zcomp_strm_find(zram->comp); - locked = true; user_mem = kmap_atomic(page); if (is_partial_io(bvec)) { @@ -678,7 +676,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, } zcomp_strm_release(zram->comp, zstrm); - locked = false; + zstrm = NULL; zs_unmap_object(meta->mem_pool, handle); /* @@ -696,7 +694,7 @@ static int zram_bvec_write(struct zram *zram, struct bio_vec *bvec, u32 index, atomic64_add(clen, &zram->stats.compr_data_size); atomic64_inc(&zram->stats.pages_stored); out: - if (locked) + if (zstrm) zcomp_strm_release(zram->comp, zstrm); if (is_partial_io(bvec)) kfree(uncmem); -- 2.4.1.168.g1ea28e1 -- 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/
