linux-kernel - [PATCH 5.12 183/363] xprtrdma: rpcrdma_mr_pop() already does list_del

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Date:   Mon, 17 May 2021 16:00:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chuck Lever <chuck.lever@...cle.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 183/363] xprtrdma: rpcrdma_mr_pop() already does list_del_init()

From: Chuck Lever <chuck.lever@...cle.com>

[ Upstream commit 1363e6388c363d0433f9aa4e2f33efe047572687 ]

The rpcrdma_mr_pop() earlier in the function has already cleared
out mr_list, so it must not be done again in the error path.

Fixes: 847568942f93 ("xprtrdma: Remove fr_state")
Signed-off-by: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Trond Myklebust <trond.myklebust@...merspace.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/sunrpc/xprtrdma/frwr_ops.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 132df9b59ab4..aca2228095db 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -576,7 +576,6 @@ void frwr_unmap_sync(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
 		mr = container_of(frwr, struct rpcrdma_mr, frwr);
 		bad_wr = bad_wr->next;
 
-		list_del_init(&mr->mr_list);
 		frwr_mr_recycle(mr);
 	}
 }
-- 
2.30.2