@@ -506,8 +506,10 @@ qca8k_vlan_add(struct qca8k_priv *priv, u8 port, u16 vid, bool untagged)
goto out;
reg = qca8k_read(priv, QCA8K_REG_VTU_FUNC0);
- if (reg < 0)
- return reg;
+ if (reg < 0) {
+ ret = reg;
+ goto out;
+ }
reg |= QCA8K_VTU_FUNC0_VALID | QCA8K_VTU_FUNC0_IVL_EN;
reg &= ~(QCA8K_VTU_FUNC0_EG_MODE_MASK << QCA8K_VTU_FUNC0_EG_MODE_S(port));
if (untagged)
@@ -519,7 +521,7 @@ qca8k_vlan_add(struct qca8k_priv *priv, u8 port, u16 vid, bool untagged)
ret = qca8k_write(priv, QCA8K_REG_VTU_FUNC0, reg);
if (ret)
- return ret;
+ goto out;
ret = qca8k_vlan_access(priv, QCA8K_VLAN_LOAD, vid);
out:
@@ -541,8 +543,10 @@ qca8k_vlan_del(struct qca8k_priv *priv, u8 port, u16 vid)
goto out;
reg = qca8k_read(priv, QCA8K_REG_VTU_FUNC0);
- if (reg < 0)
- return reg;
+ if (reg < 0) {
+ ret = reg;
+ goto out;
+ }
reg &= ~(3 << QCA8K_VTU_FUNC0_EG_MODE_S(port));
reg |= QCA8K_VTU_FUNC0_EG_MODE_NOT <<
QCA8K_VTU_FUNC0_EG_MODE_S(port);
@@ -564,7 +568,7 @@ qca8k_vlan_del(struct qca8k_priv *priv, u8 port, u16 vid)
} else {
ret = qca8k_write(priv, QCA8K_REG_VTU_FUNC0, reg);
if (ret)
- return ret;
+ goto out;
ret = qca8k_vlan_access(priv, QCA8K_VLAN_LOAD, vid);
}
Add the missing unlock before return from function qca8k_vlan_add() and qca8k_vlan_del() in the error handling case. Fixes: 028f5f8ef44f ("net: dsa: qca8k: handle error with qca8k_read operation") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> --- drivers/net/dsa/qca8k.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-)