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net: xenbus: remove redundant condition check before debugfs_remove_recursive

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

Signed-off-by: zhong jiang <[email protected]>
Reviewed-by: Paul Durrant <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
zhong jiang 2018-09-08 21:35:06 +08:00 • committed by David S. Miller
commit 0527097ce8
1 changed files with 1 additions and 2 deletions
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3
drivers/net/xen-netback/xenbus.c
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@ -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 */