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authorDavid S. Miller <davem@davemloft.net>2010-02-25 23:22:42 -0800
committerDavid S. Miller <davem@davemloft.net>2010-02-25 23:22:42 -0800
commit04488734806948624dabc4514f96f14cd75b9a50 (patch)
tree74f3a3c10a7177a5f86398b83ad7bf0569fe8b89 /net/core
parent54831a83bfe656c4c54e287c734c6b0ccaa3719b (diff)
parentc4d49794ff2838038fd9756eae39c39a5a685833 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'net/core')
-rw-r--r--net/core/net-sysfs.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index fbc1c7472c5..099c753c421 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -410,7 +410,8 @@ 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)