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-rw-r--r--net/core/dev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 17bc535115d..18d8b5acc34 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;