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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-08-05 12:42:00 +0800
committerDavid S. Miller <davem@davemloft.net>2013-08-05 11:09:42 -0700
commit1155e964a616a9bd4b603f6f8bf4f47576b010c5 (patch)
tree1a5edcdee5cfd19660ce666192eb576878840730 /drivers/net/ethernet/tile
parentf094668ca1a3e326e4f3d75a5e3b32f949f417b8 (diff)
downloadblackbird-op-linux-1155e964a616a9bd4b603f6f8bf4f47576b010c5.tar.gz
blackbird-op-linux-1155e964a616a9bd4b603f6f8bf4f47576b010c5.zip
tile: fix missing unlock on error in tile_net_open()
Add the missing unlock before return from function tile_net_open() in the error handling case. Introduced by commit f3286a3af89d6db7a488f3e8f02b98d67d50f00c. (tile: support multiple mPIPE shims in tilegx network driver) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/tile')
-rw-r--r--drivers/net/ethernet/tile/tilegx.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c
index 907b5772fd55..5d2a719fc688 100644
--- a/drivers/net/ethernet/tile/tilegx.c
+++ b/drivers/net/ethernet/tile/tilegx.c
@@ -1510,8 +1510,10 @@ static int tile_net_open(struct net_device *dev)
/* Get the instance info. */
rc = gxio_mpipe_link_instance(dev->name);
- if (rc < 0 || rc >= NR_MPIPE_MAX)
+ if (rc < 0 || rc >= NR_MPIPE_MAX) {
+ mutex_unlock(&tile_net_devs_for_channel_mutex);
return -EIO;
+ }
priv->instance = rc;
instance = rc;
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