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authorJack Morgenstein <jackm@dev.mellanox.co.il>2013-01-24 01:54:17 (GMT)
committerDavid S. Miller <davem@davemloft.net>2013-01-28 05:13:57 (GMT)
commitf356fcbe12c1174713e83651b630330f8f0f8415 (patch)
tree8e5582ef389f5567b764806f175477162415f50c
parentdbd501a80671180a8f3cdf93ca465959031fef18 (diff)
downloadlinux-f356fcbe12c1174713e83651b630330f8f0f8415.tar.xz
net/mlx4_core: Return proper error code when __mlx4_add_one fails
Returning 0 (success) when in fact we are aborting the load, leads to kernel panic when unloading the module. Fix that by returning the actual error code. Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/main.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index e1bafff..983fd3d 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -2169,7 +2169,8 @@ slave_start:
dev->num_slaves = MLX4_MAX_NUM_SLAVES;
else {
dev->num_slaves = 0;
- if (mlx4_multi_func_init(dev)) {
+ err = mlx4_multi_func_init(dev);
+ if (err) {
mlx4_err(dev, "Failed to init slave mfunc"
" interface, aborting.\n");
goto err_cmd;
@@ -2193,7 +2194,8 @@ slave_start:
/* In master functions, the communication channel must be initialized
* after obtaining its address from fw */
if (mlx4_is_master(dev)) {
- if (mlx4_multi_func_init(dev)) {
+ err = mlx4_multi_func_init(dev);
+ if (err) {
mlx4_err(dev, "Failed to init master mfunc"
"interface, aborting.\n");
goto err_close;
@@ -2210,6 +2212,7 @@ slave_start:
mlx4_enable_msi_x(dev);
if ((mlx4_is_mfunc(dev)) &&
!(dev->flags & MLX4_FLAG_MSI_X)) {
+ err = -ENOSYS;
mlx4_err(dev, "INTx is not supported in multi-function mode."
" aborting.\n");
goto err_free_eq;