3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpen...@oracle.com>
commit 8612ed0d97abcf1c016d34755b7cf2060de71963 upstream.
Calling the WDIOC_GETSTATUS & WDIOC_GETBOOTSTATUS and twice will cause a
interruptible deadlock.
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
Reviewed-by: Guenter Roeck <li...@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <w...@iguana.be>
Cc: Jonghwan Choi <jhbird.c...@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/watchdog/ts72xx_wdt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/watchdog/ts72xx_wdt.c
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -310,7 +310,8 @@ static long ts72xx_wdt_ioctl(struct file
case WDIOC_GETSTATUS:
case WDIOC_GETBOOTSTATUS:
- return put_user(0, p);
+ error = put_user(0, p);
+ break;
case WDIOC_KEEPALIVE:
ts72xx_wdt_kick(wdt);
--
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