linux-kernel - [patch 101/149] USB: mos7840: fix null-pointer dereference

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Message-Id: <20100701173215.319637867@clark.site>
Date:	Thu, 01 Jul 2010 10:32:07 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Johan Hovold <jhovold@...il.com>
Subject: [patch 101/149] USB: mos7840: fix null-pointer dereference

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: Johan Hovold <jhovold@...il.com>

commit b41709f1263bb1ad37efc43fea0bb0b670c12e78 upstream.

Fix null-pointer dereference on error path.

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

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index f8424d1..585b7e6 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -730,7 +730,6 @@ 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;
 	}
 


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