In case of error, the function class_create() returns ERR_PTR() and
never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR().
Fixes: dd0273284c74 ("sparc64: Oracle DAX driver")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/sbus/char/oradax.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/sbus/char/oradax.c b/drivers/sbus/char/oradax.c
index 10452ae..03dc047 100644
--- a/drivers/sbus/char/oradax.c
+++ b/drivers/sbus/char/oradax.c
@@ -336,9 +336,9 @@ static int __init dax_attach(void)
}
cl = class_create(THIS_MODULE, DAX_NAME);
- if (cl == NULL) {
+ if (IS_ERR(cl)) {
dax_err("class_create failed");
- ret = -ENXIO;
+ ret = PTR_ERR(cl);
goto class_error;
}
--
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