Commit 1980bd4d authored Jul 22, 2015 by Trond Myklebust

SUNRPC: xprt_complete_bc_request must also decrement the free slot count

Calling xprt_complete_bc_request() effectively causes the slot to be allocated,
so it needs to decrement the backchannel free slot count as well.

Fixes: 0d2a970d ("SUNRPC: Fix a backchannel race")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>

parent 68514471

net/sunrpc/backchannel_rqst.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -336,7 +336,7 @@ void xprt_complete_bc_request(struct rpc_rqst *req, uint32_t copied)

		spin_lock(&xprt->bc_pa_lock);
		list_del(&req->rq_bc_pa_list);
		xprt->bc_alloc_count--;
		xprt_dec_alloc_count(xprt, 1);
		spin_unlock(&xprt->bc_pa_lock);

		req->rq_private_buf.len = copied;