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authorDavid Howells <dhowells@redhat.com>2019-07-30 14:42:50 +0100
committerDavid Howells <dhowells@redhat.com>2019-07-30 15:27:59 +0100
commitc69565ee6681e151e2bb80502930a16e04b553d1 (patch)
tree2cbe7b19b700ebc1ed1656f3d456f8930360a3e4 /net/rxrpc
parent60034d3d146b11922ab1db613bce062dddc0327a (diff)
downloadlinux-stericsson-c69565ee6681e151e2bb80502930a16e04b553d1.tar.gz
rxrpc: Fix the lack of notification when sendmsg() fails on a DATA packet
Fix the fact that a notification isn't sent to the recvmsg side to indicate a call failed when sendmsg() fails to transmit a DATA packet with the error ENETUNREACH, EHOSTUNREACH or ECONNREFUSED. Without this notification, the afs client just sits there waiting for the call to complete in some manner (which it's not now going to do), which also pins the rxrpc call in place. This can be seen if the client has a scope-level IPv6 address, but not a global-level IPv6 address, and we try and transmit an operation to a server's IPv6 address. Looking in /proc/net/rxrpc/calls shows completed calls just sat there with an abort code of RX_USER_ABORT and an error code of -ENETUNREACH. Fixes: c54e43d752c7 ("rxrpc: Fix missing start of call timeout") Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Marc Dionne <marc.dionne@auristor.com> Reviewed-by: Jeffrey Altman <jaltman@auristor.com>
Diffstat (limited to 'net/rxrpc')
-rw-r--r--net/rxrpc/sendmsg.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 5d3f33ce6d41..bae14438f869 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -226,6 +226,7 @@ static int rxrpc_queue_packet(struct rxrpc_sock *rx, struct rxrpc_call *call,
rxrpc_set_call_completion(call,
RXRPC_CALL_LOCAL_ERROR,
0, ret);
+ rxrpc_notify_socket(call);
goto out;
}
_debug("need instant resend %d", ret);