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-rw-r--r--net/core/net-sysfs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 999b70c59761..7cc15dec1717 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -1396,7 +1396,13 @@ static ssize_t xps_cpus_store(struct netdev_queue *queue,
return err;
}
+ if (!rtnl_trylock()) {
+ free_cpumask_var(mask);
+ return restart_syscall();
+ }
+
err = netif_set_xps_queue(dev, mask, index);
+ rtnl_unlock();
free_cpumask_var(mask);