From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
[ Upstream commit 30c516d750396c5f3ec9cb04c9e025c25e91495e ]
Fix to return error code -ENOMEM from the null_alloc_dev() error
handling case instead of 0, as done elsewhere in this function.
Fixes: 2984c8684f96 ("nullb: factor disk parameters")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
drivers/block/null_blk.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 8042c26ea9e6..4d55af5c6e5b 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -1985,8 +1985,10 @@ static int __init null_init(void)
for (i = 0; i < nr_devices; i++) {
dev = null_alloc_dev();
- if (!dev)
+ if (!dev) {
+ ret = -ENOMEM;
goto err_dev;
+ }
ret = null_add_dev(dev);
if (ret) {
null_free_dev(dev);
--
2.11.0