linux-kernel - [PATCH] omap: mailbox - fix missing mbox owner assignment when creating queue

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Date:	Tue, 19 Oct 2010 21:53:40 -0500
From:	Fernando Guzman Lugo <x0095840@...com>
To:	<Hiroshi.DOYU@...ia.com>
Cc:	<felipe.contreras@...ia.com>, <david.cohen@...ia.com>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.arm.linux.org.uk>,
	Fernando Guzman Lugo <x0095840@...com>
Subject: [PATCH] omap: mailbox - fix missing mbox owner assignment when creating queue

mbox field of omap_mbox_queue structure is never assigned to
the mailbox owner. Causing kernel panic when dereference it.

Signed-off-by: Fernando Guzman Lugo <x0095840@...com>
---
 arch/arm/plat-omap/mailbox.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
index c59c9c3..b1e0e8f 100644
--- a/arch/arm/plat-omap/mailbox.c
+++ b/arch/arm/plat-omap/mailbox.c
@@ -217,6 +217,7 @@ static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox,
 		return NULL;
 
 	spin_lock_init(&mq->lock);
+	mq->mbox = mbox;
 
 	if (kfifo_alloc(&mq->fifo, mbox_kfifo_size, GFP_KERNEL))
 		goto error;
-- 
1.6.3.3

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