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authorDavid Howells <dhowells@redhat.com>2022-12-15 16:19:47 +0000
committerDavid S. Miller <davem@davemloft.net>2022-12-19 09:51:31 +0000
commit4feb2c44629e6f9b459b41a5a60491069d346a95 (patch)
treefe56e9e7f7237fa38cab39b91bfaf915cd4c236d /net/rxrpc
parent9cd3fd2054c3b3055163accbf2f31a4426f10317 (diff)
rxrpc: Fix missing unlock in rxrpc_do_sendmsg()
One of the error paths in rxrpc_do_sendmsg() doesn't unlock the call mutex before returning. Fix it to do this. Note that this still doesn't get rid of the checker warning: ../net/rxrpc/sendmsg.c:617:5: warning: context imbalance in 'rxrpc_do_sendmsg' - wrong count at exit I think the interplay between the socket lock and the call's user_mutex may be too complicated for checker to analyse, especially as rxrpc_new_client_call_for_sendmsg(), which it calls, returns with the call's user_mutex if successful but unconditionally drops the socket lock. Fixes: e754eba685aa ("rxrpc: Provide a cmsg to specify the amount of Tx data for a call") Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/rxrpc')
-rw-r--r--net/rxrpc/sendmsg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 9fa7e37f7155..cde1e65f16b4 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -625,7 +625,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
if (call->tx_total_len != -1 ||
call->tx_pending ||
call->tx_top != 0)
- goto error_put;
+ goto out_put_unlock;
call->tx_total_len = p.call.tx_total_len;
}
}