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drm/msm: wait_for_completion_timeout return is never negative
author
Nicholas Mc Guire
<hofrat@osadl.org>
Sat, 11 Apr 2015 13:10:37 +0000
(15:10 +0200)
committer
Rob Clark
<robdclark@gmail.com>
Thu, 11 Jun 2015 17:11:03 +0000
(13:11 -0400)
wait_for_completion_timeout returns >= 0 but never
negative - so the error check should be against equality
to 0 not <= 0.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
drivers/gpu/drm/msm/edp/edp_ctrl.c
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diff --git
a/drivers/gpu/drm/msm/edp/edp_ctrl.c
b/drivers/gpu/drm/msm/edp/edp_ctrl.c
index
17ae0cc
..
43e549b
100644
(file)
--- a/
drivers/gpu/drm/msm/edp/edp_ctrl.c
+++ b/
drivers/gpu/drm/msm/edp/edp_ctrl.c
@@
-1032,7
+1032,7
@@
static void edp_ctrl_off_worker(struct work_struct *work)
time_left = wait_for_completion_timeout(&ctrl->idle_comp,
msecs_to_jiffies(500));
- if (
time_left <= 0
)
+ if (
!time_left
)
DBG("%s: idle pattern timedout, %lu\n",
__func__, time_left);