From: Johan Hovold <jhovold@gmail.com>
Date: Wed, 19 May 2010 20:13:17 +0000 (+0200)
Subject: USB: mos7840: fix null-pointer dereference
X-Git-Tag: firefly_0821_release~10186^2~1480
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=87d3fd19311ae9575b1f14d054e34f4598e2d106;p=firefly-linux-kernel-4.4.55.git

USB: mos7840: fix null-pointer dereference

commit b41709f1263bb1ad37efc43fea0bb0b670c12e78 upstream.

Fix null-pointer dereference on error path.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 485fa9c5b107..a861cd2cb931 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -714,7 +714,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
 	mos7840_port = urb->context;
 	if (!mos7840_port) {
 		dbg("%s", "NULL mos7840_port pointer");
-		mos7840_port->read_urb_busy = false;
 		return;
 	}