netdev - [PATCH] qed: Fix null-pointer dereference in qed_rdma_create

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Date:   Thu, 12 Aug 2021 22:58:51 +0300
From:   Shai Malin <smalin@...vell.com>
To:     <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>
CC:     <islituo@...il.com>, <aelior@...vell.com>, <smalin@...vell.com>,
        <malin1024@...il.com>
Subject: [PATCH] qed: Fix null-pointer dereference in qed_rdma_create_qp()

Fix a possible null-pointer dereference in qed_rdma_create_qp().

Reported-by: TOTE Robot <oslab@...nghua.edu.cn>
Signed-off-by: Ariel Elior <aelior@...vell.com>
Signed-off-by: Shai Malin <smalin@...vell.com>
---
 drivers/net/ethernet/qlogic/qed/qed_rdma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index da864d12916b..8b401c5e8289 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -33,7 +33,6 @@
 #include "qed_roce.h"
 #include "qed_sp.h"
 
-
 int qed_rdma_bmap_alloc(struct qed_hwfn *p_hwfn,
 			struct qed_bmap *bmap, u32 max_count, char *name)
 {
@@ -1285,8 +1284,7 @@ qed_rdma_create_qp(void *rdma_cxt,
 
 	if (!rdma_cxt || !in_params || !out_params ||
 	    !p_hwfn->p_rdma_info->active) {
-		DP_ERR(p_hwfn->cdev,
-		       "qed roce create qp failed due to NULL entry (rdma_cxt=%p, in=%p, out=%p, roce_info=?\n",
+		pr_err("qed roce create qp failed due to NULL entry (rdma_cxt=%p, in=%p, out=%p, roce_info=?\n",
 		       rdma_cxt, in_params, out_params);
 		return NULL;
 	}
@@ -1904,7 +1902,6 @@ void qed_rdma_dpm_conf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 		   val, p_hwfn->dcbx_no_edpm, p_hwfn->db_bar_no_edpm);
 }
 
-
 void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
 {
 	p_hwfn->db_bar_no_edpm = true;
-- 
2.22.0