1 files changed, 3 insertions, 1 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 17bc535115d3..18d8b5acc343 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1882,8 +1882,10 @@ int netif_set_xps_queue(struct net_device *dev, struct cpumask *mask, u16 index)
 
                 if (!new_dev_maps)
                         new_dev_maps = kzalloc(maps_sz, GFP_KERNEL);
-                if (!new_dev_maps)
+                if (!new_dev_maps) {
+                        mutex_unlock(&xps_map_mutex);
                         return -ENOMEM;
+                }
 
                 map = dev_maps ? xmap_dereference(dev_maps->cpu_map[cpu]) :
                                  NULL;