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| author | Jan Beulich <JBeulich@suse.com> | 2012-03-19 09:32:28 +0000 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2012-03-27 20:13:55 +0200 |
| commit | 38c484fa136f66224694af298f80e96bf4072700 (patch) | |
| tree | ca44de3b6d55a49969e7013538f9bdfafbb930eb /drivers/watchdog/xen_wdt.c | |
| parent | 83448bf7867917d5fd104e65275d8e153f3293a8 (diff) | |
| download | op-kernel-dev-38c484fa136f66224694af298f80e96bf4072700.zip op-kernel-dev-38c484fa136f66224694af298f80e96bf4072700.tar.gz | |
watchdog: xen: don't clear is_active when xen_wdt_stop() failed
xen_wdt_release() shouldn't clear is_active even when the watchdog
didn't get stopped (which by itself shouldn't happen, but let's return
a proper error in this case rather than adding a BUG() upon hypercall
failure).
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/xen_wdt.c')
| -rw-r--r-- | drivers/watchdog/xen_wdt.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/watchdog/xen_wdt.c b/drivers/watchdog/xen_wdt.c index e04fd6c..e4a25b5 100644 --- a/drivers/watchdog/xen_wdt.c +++ b/drivers/watchdog/xen_wdt.c @@ -132,15 +132,17 @@ static int xen_wdt_open(struct inode *inode, struct file *file) static int xen_wdt_release(struct inode *inode, struct file *file) { + int err = 0; + if (expect_release) - xen_wdt_stop(); + err = xen_wdt_stop(); else { pr_crit("unexpected close, not stopping watchdog!\n"); xen_wdt_kick(); } - is_active = false; + is_active = err; expect_release = false; - return 0; + return err; } static ssize_t xen_wdt_write(struct file *file, const char __user *data, |
