diff options
-rw-r--r-- | net/core/net-sysfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 427ded841224..d5617d45deef 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -366,7 +366,8 @@ static ssize_t wireless_show(struct device *d, char *buf, const struct iw_statistics *iw; ssize_t ret = -EINVAL; - rtnl_lock(); + if (!rtnl_trylock()) + return restart_syscall(); if (dev_isalive(dev)) { iw = get_wireless_stats(dev); if (iw) |