[PATCH -next] vfio-ccw: fix error return code in vfio_ccw_sch_init()

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Fix to return negative error code -ENOMEM from the memory alloc failed
error handling case instead of 0, as done elsewhere in this function.

Fixes: 60e05d1cf087 ("vfio-ccw: add some logging")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/s390/cio/vfio_ccw_drv.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
index 45e792f6afd0..e401a3d0aa57 100644
--- a/drivers/s390/cio/vfio_ccw_drv.c
+++ b/drivers/s390/cio/vfio_ccw_drv.c
@@ -317,15 +317,19 @@ static int __init vfio_ccw_sch_init(void)
 					sizeof(struct ccw_io_region), 0,
 					SLAB_ACCOUNT, 0,
 					sizeof(struct ccw_io_region), NULL);
-	if (!vfio_ccw_io_region)
+	if (!vfio_ccw_io_region) {
+		ret = -ENOMEM;
 		goto out_err;
+	}
 
 	vfio_ccw_cmd_region = kmem_cache_create_usercopy("vfio_ccw_cmd_region",
 					sizeof(struct ccw_cmd_region), 0,
 					SLAB_ACCOUNT, 0,
 					sizeof(struct ccw_cmd_region), NULL);
-	if (!vfio_ccw_cmd_region)
+	if (!vfio_ccw_cmd_region) {
+		ret = -ENOMEM;
 		goto out_err;
+	}
 
 	isc_register(VFIO_CCW_ISC);
 	ret = css_driver_register(&vfio_ccw_sch_driver);






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