linux-kernel - [PATCH v2.6.36-rc7 1/2] isdn/capi: unregister capictr notifier after init failure

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Date:	Fri, 15 Oct 2010 14:42:52 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Karsten Keil <isdn@...ux-pingi.de>,
	Armin Schindler <mac@...ware.de>,
	lkml <linux-kernel@...r.kernel.org>,
	Jan Kiszka <jan.kiszka@....de>
CC:	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH v2.6.36-rc7 1/2] isdn/capi: unregister capictr notifier after
 init failure

capidrv_init() could leave capictr notifier dangling after init
failure.  Fix it.

Signed-off-by: Tejun Heo <tj@...nel.org>
---
 drivers/isdn/capi/capidrv.c |    1 +
 1 file changed, 1 insertion(+)

Index: work/drivers/isdn/capi/capidrv.c
===================================================================
--- work.orig/drivers/isdn/capi/capidrv.c
+++ work/drivers/isdn/capi/capidrv.c
@@ -2288,6 +2288,7 @@ static int __init capidrv_init(void)

 	errcode = capi20_get_profile(0, &profile);
 	if (errcode != CAPI_NOERROR) {
+		unregister_capictr_notifier(&capictr_nb);
 		capi20_release(&global.ap);
 		return -EIO;
 	}
--
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