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xen-netback: remove unecessary condition check before debugfs_remove_recursive

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debugfs_remove_recursive has taken IS_ERR_OR_NULL into account. So just
remove the condition check before debugfs_remove_recursive.

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>
This commit is contained in:
zhong jiang 2018-09-08 21:53:42 +08:00 committed by David S. Miller
parent 0527097ce8
commit aad06d1104
1 changed files with 1 additions and 2 deletions
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3
drivers/net/xen-netback/netback.c
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@ -1660,8 +1660,7 @@ module_init(netback_init);
static void __exit netback_fini(void)
{
#ifdef CONFIG_DEBUG_FS
if (!IS_ERR_OR_NULL(xen_netback_dbg_root))
debugfs_remove_recursive(xen_netback_dbg_root);
debugfs_remove_recursive(xen_netback_dbg_root);
#endif /* CONFIG_DEBUG_FS */
xenvif_xenbus_fini();
}