From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Fri, 21 May 2010 15:28:51 +0000 (+0000)
Subject: sh: prevent the DMA driver from unloading, while in use
X-Git-Tag: v2.6.35-rc1~414^2~4
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=7a5c106a0e8fd03a806d0da77eef10b4045c43a6;p=net-next-2.6.git

sh: prevent the DMA driver from unloading, while in use

This prevents the driver from unloading, while it is in use. Unloading of the
driver, while its DMA channels are held, leads to a kernel Oops.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index a1727522343..427d514796d 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -1188,6 +1188,7 @@ static struct platform_driver sh_dmae_driver = {
 	.remove		= __exit_p(sh_dmae_remove),
 	.shutdown	= sh_dmae_shutdown,
 	.driver = {
+		.owner	= THIS_MODULE,
 		.name	= "sh-dma-engine",
 	},
 };