This patch fixes the error checking in megaraid_sas_debugfs.c in
debugfs_create_dir. The correct way to check if an error occurred
is 'IS_ERR' inline function.
Signed-off-by: Osama Muhammad <osmtendev@xxxxxxxxx>
Suggested-by: Ivan Orlov <ivan.orlov0322@xxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas_debugfs.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas_debugfs.c b/drivers/scsi/megaraid/megaraid_sas_debugfs.c
index c69760775efa..8f0df9a1816e 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");
}
@@ -129,10 +129,10 @@ megasas_setup_debugfs(struct megasas_instance *instance)
if (fusion) {
snprintf(name, sizeof(name),
"scsi_host%d", instance->host->host_no);
- if (!instance->debugfs_root) {
+ if (IS_ERR(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;
@@ -144,7 +144,7 @@ megasas_setup_debugfs(struct megasas_instance *instance)
debugfs_create_file(name, S_IRUGO,
instance->debugfs_root, instance,
&megasas_debugfs_raidmap_fops);
- if (!instance->raidmap_dump) {
+ if (IS_ERR(instance->raidmap_dump)) {
dev_err(&instance->pdev->dev,
"Cannot create raidmap debugfs file\n");
debugfs_remove(instance->debugfs_root);
--
2.34.1
