[PATCH 6.0 0471/1073] xprtrdma: Fix regbuf data not freed in rpcrdma_req_create()

Greg Kroah-Hartman
2022-12-28T15:55:34Z

From: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>

[ Upstream commit 9181f40fb2952fd59ecb75e7158620c9c669eee3 ]

If rdma receive buffer allocate failed, should call rpcrdma_regbuf_free()
to free the send buffer, otherwise, the buffer data will be leaked.

Fixes: bb93a1ae2bf4 ("xprtrdma: Allocate req's regbufs at xprt create time")
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/sunrpc/xprtrdma/verbs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 2fbe9aaeec34..efa7bcdf6b28 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -834,7 +834,7 @@ struct rpcrdma_req *rpcrdma_req_create(struct rpcrdma_xprt *r_xprt, size_t size,
return req;

out3:
- kfree(req->rl_sendbuf);
+ rpcrdma_regbuf_free(req->rl_sendbuf);
out2:
kfree(req);
out1:
--
2.35.1