[PATCH] nvme: Fix debugfs_create_dir error checking

[Atul Raut]

The debugfs_create_dir function returns ERR_PTR
in case of error and the correct way to check an
error is 'IS_ERR' inline function.
This patch will replace the null-comparison with IS_ERR

Signed-off-by: Atul Raut <rauji.raut at gmail.com>
---
 drivers/nvme/host/fault_inject.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/host/fault_inject.c b/drivers/nvme/host/fault_inject.c
index 83d2e6860d38..1ba10a5c656d 100644
--- a/drivers/nvme/host/fault_inject.c
+++ b/drivers/nvme/host/fault_inject.c
@@ -27,7 +27,7 @@ void nvme_fault_inject_init(struct nvme_fault_inject *fault_inj,
 
 	/* create debugfs directory and attribute */
 	parent = debugfs_create_dir(dev_name, NULL);
-	if (!parent) {
+	if (IS_ERR(parent)) {
 		pr_warn("%s: failed to create debugfs directory\n", dev_name);
 		return;
 	}
-- 
2.34.1