Make IS_ERR() judge the debugfs_create_dir() function return in megasas_init_debugfs() and megasas_setup_debugfs. Signed-off-by: Minjie Du <duminjie@xxxxxxxx> --- drivers/scsi/megaraid/megaraid_sas_debugfs.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_sas_debugfs.c b/drivers/scsi/megaraid/megaraid_sas_debugfs.c index c69760775..b8b66d590 100644 --- a/drivers/scsi/megaraid/megaraid_sas_debugfs.c +++ b/drivers/scsi/megaraid/megaraid_sas_debugfs.c @@ -102,7 +102,7 @@ static const struct file_operations megasas_debugfs_raidmap_fops = { void megasas_init_debugfs(void) { megasas_debugfs_root = debugfs_create_dir("megaraid_sas", NULL); - if (!megasas_debugfs_root) + if (IS_ERR(megasas_debugfs_root)) pr_info("Cannot create debugfs root\n"); } @@ -132,7 +132,7 @@ megasas_setup_debugfs(struct megasas_instance *instance) if (!instance->debugfs_root) { instance->debugfs_root = debugfs_create_dir(name, megasas_debugfs_root); - if (!instance->debugfs_root) { + if (IS_ERR(instance->debugfs_root)) { dev_err(&instance->pdev->dev, "Cannot create per adapter debugfs directory\n"); return; -- 2.39.0