[PATCH 5.16 205/285] SUNRPC: Handle ENOMEM in call_transmit_status()

Greg Kroah-Hartman
2022-04-12T08:25:55Z

From: Trond Myklebust <trond.myklebust@hammerspace.com>

[ Upstream commit d3c15033b240767d0287f1c4a529cbbe2d5ded8a ]

Both call_transmit() and call_bc_transmit() can now return ENOMEM, so
let's make sure that we handle the errors gracefully.

Fixes: 0472e4766049 ("SUNRPC: Convert socket page send code to use iov_iter()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
net/sunrpc/clnt.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index b36d235d2d6d..bf1fd6caaf92 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -2197,6 +2197,7 @@ call_transmit_status(struct rpc_task *task)
* socket just returned a connection error,
* then hold onto the transport lock.
*/
+ case -ENOMEM:
case -ENOBUFS:
rpc_delay(task, HZ>>2);
fallthrough;
@@ -2280,6 +2281,7 @@ call_bc_transmit_status(struct rpc_task *task)
case -ENOTCONN:
case -EPIPE:
break;
+ case -ENOMEM:
case -ENOBUFS:
rpc_delay(task, HZ>>2);
fallthrough;
--
2.35.1