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mlx4_ib: zero out struct ib_pd when allocating

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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>
This commit is contained in:
Steve Wise 2018-03-01 13:58:20 -08:00 committed by Doug Ledford
parent fccec5b89a
commit 5292443431
1 changed files with 1 additions and 2 deletions
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3
drivers/infiniband/hw/mlx4/main.c
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@ -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;
}