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Subject[PATCH 1/1] Watchdog: Fixed the watchdog close/stop logic - only close the watchdog if the magic character was received and the magic close is supported.
Date
From: ryang <ryang@hach.com>

Signed-off-by: ryang <ryang@hach.com>
---
drivers/watchdog/watchdog_dev.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index 6aaefba..73793d8 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -471,8 +471,8 @@ static int watchdog_release(struct inode *inode, struct file *file)
*/
if (!test_bit(WDOG_ACTIVE, &wdd->status))
err = 0;
- else if (test_and_clear_bit(WDOG_ALLOW_RELEASE, &wdd->status) ||
- !(wdd->info->options & WDIOF_MAGICCLOSE))
+ else if (test_and_clear_bit(WDOG_ALLOW_RELEASE, &wdd->status) &&
+ (wdd->info->options & WDIOF_MAGICCLOSE))
err = watchdog_stop(wdd);

/* If the watchdog was not stopped, send a keepalive ping */
--
1.9.1


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