diff options
| author | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-02-20 11:04:08 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2019-02-20 11:04:08 +0200 |
| commit | d0781a89c06f46d0f75e4e142061b8accb67cbe5 (patch) | |
| tree | 6a1731bfc76fd92aac1880c23f75377462e07b35 /drivers/gpio/gpiolib.c | |
| parent | 7f4127c4839b1801087e08b1797e830a766391c1 (diff) | |
| parent | a5f2fafece141ef3509e686cea576366d55cabb6 (diff) | |
Merge drm/drm-next into drm-intel-next-queued
Doing a backmerge to be able to merge topic/mei-hdcp-2019-02-19 PR.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpio/gpiolib.c')
| -rw-r--r-- | drivers/gpio/gpiolib.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 1651d7f0a303..d1adfdf50fb3 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -828,7 +828,14 @@ static irqreturn_t lineevent_irq_thread(int irq, void *p) /* Do not leak kernel stack to userspace */ memset(&ge, 0, sizeof(ge)); - ge.timestamp = le->timestamp; + /* + * We may be running from a nested threaded interrupt in which case + * we didn't get the timestamp from lineevent_irq_handler(). + */ + if (!le->timestamp) + ge.timestamp = ktime_get_real_ns(); + else + ge.timestamp = le->timestamp; if (le->eflags & GPIOEVENT_REQUEST_RISING_EDGE && le->eflags & GPIOEVENT_REQUEST_FALLING_EDGE) { |