mlx4_ib: zero out struct ib_pd when allocating
Zero out the fields of the struct ib_pd for user mode pds so that
users querying pds via nldev will not get garbage. For simplicity,
use kzalloc() to allocate the mlx4_ib_pd struct.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 8d2ee93..2e3789f 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1327,7 +1327,7 @@ static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
struct mlx4_ib_pd *pd;
int err;
- pd = kmalloc(sizeof *pd, GFP_KERNEL);
+ pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
@@ -1343,7 +1343,6 @@ static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
kfree(pd);
return ERR_PTR(-EFAULT);
}
-
return &pd->ibpd;
}