[PATCH v2 10/17] IB/mlx4: Delete an unnecessary variable in __mlx4_ib_query_gid()

From: SF Markus Elfring
Date: Fri Apr 21 2017 - 14:42:40 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 21 Apr 2017 18:22:42 +0200

* Call the function "memset" directly in an if branch without using
an intermediate variable.

* Delete the local variable "clear" which became unnecessary with
this refactoring.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/mlx4/main.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index e18e46a68809..a54e2f04929b 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -780,7 +780,6 @@ int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
struct ib_smp *out_mad;
int err;
struct mlx4_ib_dev *dev = to_mdev(ibdev);
- int clear = 0;
int mad_ifc_flags = MLX4_MAD_IFC_IGNORE_KEYS;

in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL);
@@ -809,8 +808,8 @@ int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
if (mlx4_is_mfunc(dev->dev) && !netw_view) {
if (index) {
/* For any index > 0, return the null guid */
+ memset(gid->raw + 8, 0, 8);
err = 0;
- clear = 1;
goto out;
}
}
@@ -827,8 +826,6 @@ int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);

out:
- if (clear)
- memset(gid->raw + 8, 0, 8);
kfree(out_mad);
free_in_mad:
kfree(in_mad);
--
2.12.2