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Chuck Lever e953412275 svcrdma: Fix another Receive buffer leak 
[ Upstream commit 64d26422516b2e347b32e6d9b1d40b3c19a62aae ]

During a connection tear down, the Receive queue is flushed before
the device resources are freed. Typically, all the Receives flush
with IB_WR_FLUSH_ERR.

However, any pending successful Receives flush with IB_WR_SUCCESS,
and the server automatically posts a fresh Receive to replace the
completing one. This happens even after the connection has closed
and the RQ is drained. Receives that are posted after the RQ is
drained appear never to complete, causing a Receive resource leak.
The leaked Receive buffer is left DMA-mapped.

To prevent these late-posted recv_ctxt's from leaking, block new
Receive posting after XPT_CLOSE is set.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-03-16 16:34:32 +08:00
..
auth_gss SUNRPC: Fix ("SUNRPC: Add "@len" parameter to gss_unwrap()") 2021-03-16 16:33:47 +08:00
xprtrdma svcrdma: Fix another Receive buffer leak 2021-03-16 16:34:32 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
addr.c net: sunrpc: Fix off-by-one issues in 'rpc_ntop6' 2021-03-16 16:30:26 +08:00
auth.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
auth_null.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
auth_unix.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
backchannel_rqst.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
cache.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
clnt.c SUNRPC: Signalled ASYNC tasks need to exit 2021-03-16 16:27:56 +08:00
debugfs.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
netns.h Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rpc_pipe.c sunrpc: fixed rollback in rpc_gssd_dummy_populate() 2021-03-16 16:31:12 +08:00
rpcb_clnt.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sched.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
socklib.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
stats.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sunrpc.h sunrpc: check that domain table is empty at module unload. 2021-03-16 16:32:44 +08:00
sunrpc_syms.c sunrpc: check that domain table is empty at module unload. 2021-03-16 16:32:44 +08:00
svc.c nfsd: Fix NFSv4 READ on RDMA when using readv 2021-03-16 16:33:11 +08:00
svc_xprt.c svcrdma: Fix leak of svc_rdma_recv_ctxt objects 2021-03-16 16:27:08 +08:00
svcauth.c sunrpc: check that domain table is empty at module unload. 2021-03-16 16:32:44 +08:00
svcauth_unix.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
svcsock.c nfsd: Fix NFSv4 READ on RDMA when using readv 2021-03-16 16:33:11 +08:00
sysctl.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
timer.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
xdr.c SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment() 2021-03-16 16:31:12 +08:00
xprt.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
xprtmultipath.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
xprtsock.c SUNRPC: Fix backchannel RPC soft lockups 2021-03-16 16:26:59 +08:00