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kernel: swconfig: add a missing unlock in error path
[openwrt/staging/yousong.git]
/
target
/
linux
/
generic
/
files
/
drivers
/
net
/
phy
/
swconfig.c
diff --git
a/target/linux/generic/files/drivers/net/phy/swconfig.c
b/target/linux/generic/files/drivers/net/phy/swconfig.c
index 88fa244bc89c081702161de003f2477e3a624203..2038330ba27895bffe517262cd2609e79601840a 100644
(file)
--- a/
target/linux/generic/files/drivers/net/phy/swconfig.c
+++ b/
target/linux/generic/files/drivers/net/phy/swconfig.c
@@
-894,8
+894,10
@@
register_switch(struct switch_dev *dev, struct net_device *netdev)
}
i = find_first_zero_bit(&in_use, max_switches);
- if (i == max_switches)
+ if (i == max_switches) {
+ swconfig_unlock();
return -ENFILE;
+ }
/* fill device name */
snprintf(dev->devname, IFNAMSIZ, SWCONFIG_DEVNAME, i);