If the allocation fails, then this should return -ENOMEM instead of
success.
Fixes: a149d2eb654b ("mm/hmm/test: add selftest driver for HMM")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
lib/test_hmm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/test_hmm.c b/lib/test_hmm.c
index 00bca6116f930..b4d9434e49e72 100644
--- a/lib/test_hmm.c
+++ b/lib/test_hmm.c
@@ -1119,8 +1119,10 @@ static int __init hmm_dmirror_init(void)
* make the code here simpler (i.e., we need a struct page for it).
*/
dmirror_zero_page = alloc_page(GFP_HIGHUSER | __GFP_ZERO);
- if (!dmirror_zero_page)
+ if (!dmirror_zero_page) {
+ ret = -ENOMEM;
goto err_chrdev;
+ }
pr_info("HMM test module loaded. This is only for testing HMM.\n");
return 0;
--
2.26.2
