nfsd: unregister with rpcbind when deleting a transport

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commit 898374fdd7 upstream.

When a listener is added, a part of creation of transport also registers
program/port with rpcbind. However, when the listener is removed,
while transport goes away, rpcbind still has the entry for that
port/type.

When deleting the transport, unregister with rpcbind when appropriate.

---v2 created a new xpt_flag XPT_RPCB_UNREG to mark TCP and UDP
transport and at xprt destroy send rpcbind unregister if flag set.

Suggested-by: Chuck Lever <chuck.lever@oracle.com>
Fixes: d093c90892 ("nfsd: fix management of listener transports")
Cc: stable@vger.kernel.org
Signed-off-by: Olga Kornievskaia <okorniev@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Olga Kornievskaia 2025-08-19 14:04:02 -04:00 • committed by Greg Kroah-Hartman

parent 509c344cdf

commit d4c322913a

3 changed files with 18 additions and 0 deletions

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3

include/linux/sunrpc/svc_xprt.h

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13

net/sunrpc/svc_xprt.c

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2

net/sunrpc/svcsock.c

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