sunrpc: fix crash in rpc_malloc()

While the comment says:
 * To prevent rpciod from hanging, this allocator never sleeps,
 * returning NULL if the request cannot be serviced immediately.

The function does not actually check for NULL pointers being returned.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Peter Zijlstra 2007-05-09 08:30:11 +02:00 committed by Trond Myklebust
parent e4cc6ee2e4
commit ddce40df6e

View file

@ -767,6 +767,10 @@ void *rpc_malloc(struct rpc_task *task, size_t size)
buf = mempool_alloc(rpc_buffer_mempool, gfp);
else
buf = kmalloc(size, gfp);
if (!buf)
return NULL;
buf->len = size;
dprintk("RPC: %5u allocated buffer of size %zu at %p\n",
task->tk_pid, size, buf);