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SUNRPC: remove BUG_ON from xprt_destroy_backchannel 

If max_reqs is 0, do nothing besides the usual dprintks.

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Weston Andros Adamson 2012-10-23 10:43:34 -04:00 committed by Trond Myklebust
parent e454a7a83d
commit c4ded8d977
1 changed files with 4 additions and 1 deletions
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5
net/sunrpc/backchannel_rqst.c
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@ -191,7 +191,9 @@ void xprt_destroy_backchannel(struct rpc_xprt *xprt, unsigned int max_reqs)
dprintk("RPC: destroy backchannel transport\n");
BUG_ON(max_reqs == 0);
if (max_reqs == 0)
goto out;
spin_lock_bh(&xprt->bc_pa_lock);
xprt_dec_alloc_count(xprt, max_reqs);
list_for_each_entry_safe(req, tmp, &xprt->bc_pa_list, rq_bc_pa_list) {
@ -202,6 +204,7 @@ void xprt_destroy_backchannel(struct rpc_xprt *xprt, unsigned int max_reqs)
}
spin_unlock_bh(&xprt->bc_pa_lock);
out:
dprintk("RPC: backchannel list empty= %s\n",
list_empty(&xprt->bc_pa_list) ? "true" : "false");
}