bonding: use IS_ERR instead of NULL check in bond_create_debugfs

Because debugfs_create_dir returns ERR_PTR, so IS_ERR should be used to
check whether the directory is successfully created.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c
index 94c2f35..50e4813 100644 (file)
--- a/drivers/net/bonding/bond_debugfs.c
+++ b/drivers/net/bonding/bond_debugfs.c
@@ -88,7 +88,7 @@ void __init bond_create_debugfs(void)
 {
        bonding_debug_root = debugfs_create_dir("bonding", NULL);
 
-       if (!bonding_debug_root)
+       if (IS_ERR(bonding_debug_root))
                pr_warn("Warning: Cannot create bonding directory in debugfs\n");
 }