From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
In case of error, the function device_create_with_groups()
returns ERR_PTR() and never returns NULL. The NULL test in
the return value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
drivers/misc/genwqe/card_dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/genwqe/card_dev.c b/drivers/misc/genwqe/card_dev.c
index 9b231bb..46fa2ca 100644
--- a/drivers/misc/genwqe/card_dev.c
+++ b/drivers/misc/genwqe/card_dev.c
@@ -1378,8 +1378,8 @@ int genwqe_device_create(struct genwqe_dev *cd)
genwqe_attribute_groups,
GENWQE_DEVNAME "%u_card",
cd->card_idx);
- if (cd->dev == NULL) {
- rc = -ENODEV;
+ if (IS_ERR(cd->dev)) {
+ rc = PTR_ERR(cd->dev);
goto err_cdev;
}
--
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