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| author | Trond Myklebust | 2012-05-19 18:12:53 +0200 |
|---|---|---|
| committer | Trond Myklebust | 2012-05-19 18:12:53 +0200 |
| commit | 1afeaf5c29aa07db25760d2fbed5c08a3aec3498 (patch) | |
| tree | b8fefaefd78e8d4cc3378378e968987297f73c04 /net/sunrpc/clnt.c | |
| parent | sunrpc: suppress page allocation warnings in xprt_alloc_slot() (diff) | |
| download | kernel-qcow2-linux-1afeaf5c29aa07db25760d2fbed5c08a3aec3498.tar.gz kernel-qcow2-linux-1afeaf5c29aa07db25760d2fbed5c08a3aec3498.tar.xz kernel-qcow2-linux-1afeaf5c29aa07db25760d2fbed5c08a3aec3498.zip | |
sunrpc: fix loss of task->tk_status after rpc_delay call in xprt_alloc_slot
xprt_alloc_slot will call rpc_delay() to make the task wait a bit before
retrying when it gets back an -ENOMEM error from xprt_dynamic_alloc_slot.
The problem is that rpc_delay will clear the task->tk_status, causing
call_reserveresult to abort the task.
The solution is simply to let call_reserveresult handle the ENOMEM error
directly.
Reported-by: Jeff Layton <jlayton@redhat.com>
Cc: stable@vger.kernel.org [>= 3.1]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'net/sunrpc/clnt.c')
| -rw-r--r-- | net/sunrpc/clnt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index adf2990acebf..25302c802460 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -1288,6 +1288,8 @@ call_reserveresult(struct rpc_task *task) } switch (status) { + case -ENOMEM: + rpc_delay(task, HZ >> 2); case -EAGAIN: /* woken up; retry */ task->tk_action = call_reserve; return; |