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authorXiaotian Feng <dfeng@redhat.com>2009-12-31 02:52:36 (GMT)
committerJ. Bruce Fields <bfields@citi.umich.edu>2010-01-06 22:38:04 (GMT)
commitb292cf9ce70d221c3f04ff62db5ab13d9a249ca8 (patch)
tree00da53660b4b14d9310905d4cae9c63ec6588054 /fs
parent7211a4e859ad070b28545c06e0a6cb60b3b8aa31 (diff)
downloadlinux-b292cf9ce70d221c3f04ff62db5ab13d9a249ca8.tar.xz
sunrpc: fix peername failed on closed listener
There're some warnings of "nfsd: peername failed (err 107)!" socket error -107 means Transport endpoint is not connected. This warning message was outputed by svc_tcp_accept() [net/sunrpc/svcsock.c], when kernel_getpeername returns -107. This means socket might be CLOSED. And svc_tcp_accept was called by svc_recv() [net/sunrpc/svc_xprt.c] if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) { <snip> newxpt = xprt->xpt_ops->xpo_accept(xprt); <snip> So this might happen when xprt->xpt_flags has both XPT_LISTENER and XPT_CLOSE. Let's take a look at commit b0401d72, this commit has moved the close processing after do recvfrom method, but this commit also introduces this warnings, if the xpt_flags has both XPT_LISTENER and XPT_CLOSED, we should close it, not accpet then close. Signed-off-by: Xiaotian Feng <dfeng@redhat.com> Cc: J. Bruce Fields <bfields@fieldses.org> Cc: Neil Brown <neilb@suse.de> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: David S. Miller <davem@davemloft.net> Cc: stable@kernel.org Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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