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author | Weston Andros Adamson <dros@netapp.com> | 2012-10-23 10:43:34 -0400 |
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committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-11-04 14:43:40 -0500 |
commit | c4ded8d9771c8e8d5d7a202d58af9c70591dd675 (patch) | |
tree | 2602296353a5b96d46db0dac30954ff8b2b2967d /net/sunrpc/backchannel_rqst.c | |
parent | e454a7a83d20cc5ec338ad0e3abae85f10d5a0c4 (diff) | |
download | blackbird-op-linux-c4ded8d9771c8e8d5d7a202d58af9c70591dd675.tar.gz blackbird-op-linux-c4ded8d9771c8e8d5d7a202d58af9c70591dd675.zip |
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>
Diffstat (limited to 'net/sunrpc/backchannel_rqst.c')
-rw-r--r-- | net/sunrpc/backchannel_rqst.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index a9c0bbccad6b..80aa881e38e3 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -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"); } |