tcmu: fix error return code in tcmu_configure_device()

Fix to return error code -ENOMEM from the kzalloc() error handling
case instead of 0, as done elsewhere in this function.

Fixes: 80eb876 ("tcmu: allow max block and global max blocks to be settable")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Mike Christie <mchristi@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 1238480cd4c4..60c8a87b7a88 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -1675,8 +1675,10 @@ static int tcmu_configure_device(struct se_device *dev)
 
         udev->data_bitmap = kzalloc(BITS_TO_LONGS(udev->max_blocks) *
                                     sizeof(unsigned long), GFP_KERNEL);
-        if (!udev->data_bitmap)
+        if (!udev->data_bitmap) {
+                ret = -ENOMEM;
                 goto err_bitmap_alloc;
+        }
 
         udev->mb_addr = vzalloc(CMDR_SIZE);
         if (!udev->mb_addr) {