linux-kernel - [PATCH net-next 3/5] rxrpc: Fix rxrpc_bundle::alloc

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Date:   Mon, 14 Sep 2020 16:31:07 +0100
From:   David Howells <dhowells@...hat.com>
To:     netdev@...r.kernel.org
Cc:     dhowells@...hat.com, linux-afs@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next 3/5] rxrpc: Fix rxrpc_bundle::alloc_error to be
 signed

The alloc_error field in the rxrpc_bundle struct should be signed as it has
negative error codes assigned to it.  Checks directly on it may then fail,
and may produce a warning like this:

	net/rxrpc/conn_client.c:662 rxrpc_wait_for_channel()
	warn: 'bundle->alloc_error' is unsigned

Fixes: 245500d853e9 ("rxrpc: Rewrite the client connection manager")
Reported-by Dan Carpenter <dan.carpenter@...cle.com>
Signed-off-by: David Howells <dhowells@...hat.com>
---

 net/rxrpc/ar-internal.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index cd5a80b34738..19f714386654 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -395,7 +395,7 @@ struct rxrpc_bundle {
 	unsigned int		debug_id;
 	bool			try_upgrade;	/* True if the bundle is attempting upgrade */
 	bool			alloc_conn;	/* True if someone's getting a conn */
-	unsigned short		alloc_error;	/* Error from last conn allocation */
+	short			alloc_error;	/* Error from last conn allocation */
 	spinlock_t		channel_lock;
 	struct rb_node		local_node;	/* Node in local->client_conns */
 	struct list_head	waiting_calls;	/* Calls waiting for channels */