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 <[email protected]>
---
net/sunrpc/sched.c | 4 ++++
1 file changed, 4 insertions(+)
Index: linux-2.6-git/net/sunrpc/sched.c
===================================================================
--- linux-2.6-git.orig/net/sunrpc/sched.c
+++ linux-2.6-git/net/sunrpc/sched.c
@@ -762,6 +762,10 @@ void *rpc_malloc(struct rpc_task *task,
buf = mempool_alloc(rpc_buffer_mempool, gfp);
else
buf = kmalloc(size, gfp);
+
+ if (!buf)
+ return NULL;
+
*buf = size;
dprintk("RPC: %5u allocated buffer of size %zu at %p\n",
task->tk_pid, size, buf);
-
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