When user_mem is NULL, there is no need to kunmap_atomic it.
Signed-off-by: Geliang Tang <[email protected]>
---
drivers/block/zram/zram_drv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 197a7ad..da7b348 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -625,7 +625,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec
*bvec,
if (!uncmem) {
pr_err("Unable to allocate temp memory\n");
ret = -ENOMEM;
- goto out_cleanup;
+ goto out_free;
}
ret = zram_decompress_page(zram, uncmem, index);
@@ -641,6 +641,7 @@ static int zram_bvec_read(struct zram *zram, struct bio_vec
*bvec,
ret = 0;
out_cleanup:
kunmap_atomic(user_mem);
+out_free:
if (is_partial_io(bvec))
kfree(uncmem);
return ret;
--
2.5.0
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