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authorDave Airlie <airlied@redhat.com>2016-07-02 08:56:01 +0300
committerDave Airlie <airlied@redhat.com>2016-07-02 08:56:01 +0300
commit542d972221e024681b502033154f917c1455469f (patch)
tree1c7c1be768f6e1b496a3edad6b105804a8d05c57 /drivers/pwm/core.c
parent583fa4e02775b26d76771d4e1ddc6f10ba005ef2 (diff)
parent4c2e07c6a29e0129e975727b9f57eede813eea85 (diff)
downloadlinux-542d972221e024681b502033154f917c1455469f.tar.xz
Back-merge tag 'v4.7-rc5' into drm-next
Linux 4.7-rc5 The fsl-dcu pull needs -rc3 so go to -rc5 for now.
Diffstat (limited to 'drivers/pwm/core.c')
-rw-r--r--drivers/pwm/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index dba3843c53b8..ed337a8c34ab 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -457,7 +457,8 @@ int pwm_apply_state(struct pwm_device *pwm, struct pwm_state *state)
{
int err;
- if (!pwm)
+ if (!pwm || !state || !state->period ||
+ state->duty_cycle > state->period)
return -EINVAL;
if (!memcmp(state, &pwm->state, sizeof(*state)))