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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: 0d2a970d0a ("SUNRPC: Fix a backchannel race")
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
steinar/wifi_calib_4_9_kernel
Trond Myklebust 2015-07-22 17:05:32 -04:00
parent 68514471ce
commit 1980bd4d82
1 changed files with 1 additions and 1 deletions
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2
net/sunrpc/backchannel_rqst.c
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@ -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;