Add iounmap to release the memory if kmalloc_array() fails in z2_open(). Signed-off-by: Haoxiang Li --- drivers/block/z2ram.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index 8c1c7f4211eb..1a38a927b8e0 100644 --- a/drivers/block/z2ram.c +++ b/drivers/block/z2ram.c @@ -192,6 +192,8 @@ static int z2_open(struct gendisk *disk, blk_mode_t mode) if (z2ram_map == NULL) { printk(KERN_ERR DEVICE_NAME ": cannot get mem for z2ram_map\n"); + if (vaddr) + iounmap((void *)vaddr); goto err_out; } -- 2.25.1