From: Zhen Lei thunder.leizhen@huawei.com
[ Upstream commit 015dbf5662fd689d581c0bc980711b073ca09a1a ]
Fix to return -EFAULT from the error handling case instead of 0, as done elsewhere in this function.
By the way, when get_zeroed_page() fails, directly return -ENOMEM to simplify code.
Fixes: 2c69448bbced ("ehea: DLPAR memory add fix") Reported-by: Hulk Robot hulkci@huawei.com Signed-off-by: Zhen Lei thunder.leizhen@huawei.com Link: https://lore.kernel.org/r/20210528085555.9390-1-thunder.leizhen@huawei.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/ibm/ehea/ehea_main.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 3692adb8902d..6c70cba92df0 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -2656,10 +2656,8 @@ static int ehea_restart_qps(struct net_device *dev) u16 dummy16 = 0;
cb0 = (void *)get_zeroed_page(GFP_KERNEL); - if (!cb0) { - ret = -ENOMEM; - goto out; - } + if (!cb0) + return -ENOMEM;
for (i = 0; i < (port->num_def_qps); i++) { struct ehea_port_res *pr = &port->port_res[i]; @@ -2679,6 +2677,7 @@ static int ehea_restart_qps(struct net_device *dev) cb0); if (hret != H_SUCCESS) { netdev_err(dev, "query_ehea_qp failed (1)\n"); + ret = -EFAULT; goto out; }
@@ -2691,6 +2690,7 @@ static int ehea_restart_qps(struct net_device *dev) &dummy64, &dummy16, &dummy16); if (hret != H_SUCCESS) { netdev_err(dev, "modify_ehea_qp failed (1)\n"); + ret = -EFAULT; goto out; }
@@ -2699,6 +2699,7 @@ static int ehea_restart_qps(struct net_device *dev) cb0); if (hret != H_SUCCESS) { netdev_err(dev, "query_ehea_qp failed (2)\n"); + ret = -EFAULT; goto out; }