From: zhong jiang <zhongjiang@huawei.com>
Date: Sat, 8 Sep 2018 13:35:06 +0000 (+0800)
Subject: net: xenbus: remove redundant condition check before debugfs_remove_recursive
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=0527097ce81cad20529e4f2c37a092774d713d36;p=openwrt%2Fstaging%2Fblogic.git

net: xenbus: remove redundant condition check before debugfs_remove_recursive

debugfs_remove_recursive has taken the IS_ERR_OR_NULL into account. Just
remove the unnecessary condition check.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index cd51492ae6c2..fe1d52247bbe 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -254,8 +254,7 @@ static void xenvif_debugfs_delif(struct xenvif *vif)
 	if (IS_ERR_OR_NULL(xen_netback_dbg_root))
 		return;
 
-	if (!IS_ERR_OR_NULL(vif->xenvif_dbg_root))
-		debugfs_remove_recursive(vif->xenvif_dbg_root);
+	debugfs_remove_recursive(vif->xenvif_dbg_root);
 	vif->xenvif_dbg_root = NULL;
 }
 #endif /* CONFIG_DEBUG_FS */