From: Jason Gunthorpe <jgg@nvidia.com>
Date: Tue, 22 Nov 2022 19:37:39 +0000 (-0400)
Subject: RDMA/rxe: Do not NULL deref on debugging failure path
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=cb6562c380832a930ffd1722ac9d479b454aed4e;p=linux.git

RDMA/rxe: Do not NULL deref on debugging failure path

Correct the mistake, mr is obviously NULL in this code path.

Fixes: 2778b72b1df0 ("RDMA/rxe: Replace pr_xxx by rxe_dbg_xxx in rxe_mr.c")
Link: https://lore.kernel.org/r/Y3eeJW0AdyJYhYyQ@kili
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---

diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c
index b1423000e4bcd..b7c9ff1ddf0e1 100644
--- a/drivers/infiniband/sw/rxe/rxe_mr.c
+++ b/drivers/infiniband/sw/rxe/rxe_mr.c
@@ -519,7 +519,7 @@ int rxe_invalidate_mr(struct rxe_qp *qp, u32 key)
 
 	mr = rxe_pool_get_index(&rxe->mr_pool, key >> 8);
 	if (!mr) {
-		rxe_dbg_mr(mr, "No MR for key %#x\n", key);
+		rxe_dbg_qp(qp, "No MR for key %#x\n", key);
 		ret = -EINVAL;
 		goto err;
 	}