[PATCH] RDMA/cxgb4: remove redundant null pointer check before kfree_skb
From: zhong jiang
Date: Thu Sep 20 2018 - 06:05:10 EST
kfree_skb has taken the null pointer into account. hence it is safe
to remove the redundant null pointer check before kfree_skb.
Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
---
drivers/infiniband/hw/cxgb4/cm.c | 3 +--
drivers/infiniband/hw/cxgb4/qp.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 0f83cbe..615413b 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -403,8 +403,7 @@ void _c4iw_free_ep(struct kref *kref)
ep->com.local_addr.ss_family);
dst_release(ep->dst);
cxgb4_l2t_release(ep->l2t);
- if (ep->mpa_skb)
- kfree_skb(ep->mpa_skb);
+ kfree_skb(ep->mpa_skb);
}
if (!skb_queue_empty(&ep->com.ep_skb_list))
skb_queue_purge(&ep->com.ep_skb_list);
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 347fe18..e78dd9a 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -2813,8 +2813,7 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs,
free_srq_queue(srq, ucontext ? &ucontext->uctx : &rhp->rdev.uctx,
srq->wr_waitp);
err_free_skb:
- if (srq->destroy_skb)
- kfree_skb(srq->destroy_skb);
+ kfree_skb(srq->destroy_skb);
err_free_srq_idx:
c4iw_free_srq_idx(&rhp->rdev, srq->idx);
err_free_wr_wait:
--
1.7.12.4