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authorDavid Howells <dhowells@redhat.com>2020-10-01 11:57:40 +0100
committerDavid Howells <dhowells@redhat.com>2020-10-05 16:34:32 +0100
commitfa1d113a0f96f9ab7e4fe4f8825753ba1e34a9d3 (patch)
treecb7b3d98dd566e396014ee970151af949f913356 /net
parent9a059cd5ca7d9c5c4ca5a6e755cf72f230176b6a (diff)
rxrpc: Fix some missing _bh annotations on locking conn->state_lock
conn->state_lock may be taken in softirq mode, but a previous patch replaced an outer lock in the response-packet event handling code, and lost the _bh from that when doing so. Fix this by applying the _bh annotation to the state_lock locking. Fixes: a1399f8bb033 ("rxrpc: Call channels should have separate call number spaces") Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/rxrpc/conn_event.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 447f55ca6886..6e972b4823ef 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -340,18 +340,18 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
return ret;
spin_lock(&conn->channel_lock);
- spin_lock(&conn->state_lock);
+ spin_lock_bh(&conn->state_lock);
if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) {
conn->state = RXRPC_CONN_SERVICE;
- spin_unlock(&conn->state_lock);
+ spin_unlock_bh(&conn->state_lock);
for (loop = 0; loop < RXRPC_MAXCALLS; loop++)
rxrpc_call_is_secure(
rcu_dereference_protected(
conn->channels[loop].call,
lockdep_is_held(&conn->channel_lock)));
} else {
- spin_unlock(&conn->state_lock);
+ spin_unlock_bh(&conn->state_lock);
}
spin_unlock(&conn->channel_lock);