linux-kernel - [PATCH 5.19 105/155] thunderbolt: Use the actual buffer in tb_async

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Message-Id: <20220906132833.906197305@linuxfoundation.org>
Date:   Tue,  6 Sep 2022 15:30:53 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Mika Westerberg <mika.westerberg@...ux.intel.com>
Subject: [PATCH 5.19 105/155] thunderbolt: Use the actual buffer in tb_async_error()

From: Mika Westerberg <mika.westerberg@...ux.intel.com>

commit eb100b8fa8e8b59eb3e5fc7a5fd4a1e3c5950f64 upstream.

The received notification packet is held in pkg->buffer and not in pkg
itself. Fix this by using the correct buffer.

Fixes: 81a54b5e1986 ("thunderbolt: Let the connection manager handle all notifications")
Cc: stable@...r.kernel.org
Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/thunderbolt/ctl.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -407,7 +407,7 @@ static void tb_ctl_rx_submit(struct ctl_
 
 static int tb_async_error(const struct ctl_pkg *pkg)
 {
-	const struct cfg_error_pkg *error = (const struct cfg_error_pkg *)pkg;
+	const struct cfg_error_pkg *error = pkg->buffer;
 
 	if (pkg->frame.eof != TB_CFG_PKG_ERROR)
 		return false;