[PATCH] wireless: marvell: add checks for the return value of sysfs_create_group
From: Kangjie Lu
Date: Tue Dec 25 2018 - 22:43:36 EST
sysfs_create_group() could fail, so let's check its return values and
issue error messages if it fails.
Signed-off-by: Kangjie Lu <kjlu@xxxxxxx>
---
drivers/net/wireless/marvell/libertas/mesh.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/marvell/libertas/mesh.c b/drivers/net/wireless/marvell/libertas/mesh.c
index b0cb16ef8d1d..90b20618e0af 100644
--- a/drivers/net/wireless/marvell/libertas/mesh.c
+++ b/drivers/net/wireless/marvell/libertas/mesh.c
@@ -797,7 +797,11 @@ static void lbs_persist_config_init(struct net_device *dev)
{
int ret;
ret = sysfs_create_group(&(dev->dev.kobj), &boot_opts_group);
+ if (ret)
+ pr_err("failed to create boot_opts_group.\n");
ret = sysfs_create_group(&(dev->dev.kobj), &mesh_ie_group);
+ if (ret)
+ pr_err("failed to create mesh_ie_group.\n");
}
static void lbs_persist_config_remove(struct net_device *dev)
--
2.17.2 (Apple Git-113)