linux-kernel - [PATCH RFC] OMAP : watchdog : fix the WDIOC_GETBOOTSTATUS ioctl if not implemented.

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Date:	Wed, 4 Jan 2012 19:45:28 +0530
From:	Shubhrajyoti D <shubhrajyoti@...com>
To:	<linux-watchdog@...r.kernel.org>
CC:	<linux-kernel@...r.kernel.org>,
	Shubhrajyoti D <shubhrajyoti@...com>
Subject: [PATCH RFC] OMAP : watchdog : fix the WDIOC_GETBOOTSTATUS ioctl if not implemented.

WDIOC_GETBOOTSTATUS ioctl is imlemented for cpu_is_omap16xx and cpu_is_omap24xx
cpus only. For other cpus it falls through to WDIOC_KEEPALIVE.
This patch prevents the fall through.

Cc :  sricharan <r.sricharan@...com>
Signed-off-by: Shubhrajyoti D <shubhrajyoti@...com>
---
Untested!

 drivers/watchdog/omap_wdt.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 2b4acb8..971179d 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -232,6 +232,7 @@ static long omap_wdt_ioctl(struct file *file, unsigned int cmd,
 		if (cpu_is_omap24xx())
 			return put_user(omap_prcm_get_reset_sources(),
 					(int __user *)arg);
+		return 0;
 	case WDIOC_KEEPALIVE:
 		pm_runtime_get_sync(wdev->dev);
 		spin_lock(&wdt_lock);
-- 
1.7.1

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