NFSv4/pnfs: Handle RPC allocation errors in nfs4_proc_layoutget

If rpc_run_task() fails due to an allocation error, then bail out early.

Fixes: ec7b96672dbd ("NFS: Fix memory allocation in rpc_alloc_task()")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e3f5b380cefe95e39ddf0151bdabc3004a27b544..16106f805ffa21a41f7833247c5f019924f4d537 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -9615,6 +9615,8 @@ nfs4_proc_layoutget(struct nfs4_layoutget *lgp, long *timeout)
        nfs4_init_sequence(&lgp->args.seq_args, &lgp->res.seq_res, 0, 0);
 
        task = rpc_run_task(&task_setup_data);
+       if (IS_ERR(task))
+               return ERR_CAST(task);
 
        status = rpc_wait_for_completion_task(task);
        if (status != 0)