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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-06-30 23:34:49 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-06-30 23:34:49 -0400 |
| commit | b223f4e215b32849b841e750e83a915b670070f5 (patch) | |
| tree | 75340f6305028de331a17255018869822b3886d2 /drivers/pwm/core.c | |
| parent | f4e6d844bdc142322905d137a9e44e07eee43c5c (diff) | |
| parent | 0cac643c102c0632dc2cc81e2490b0fec1cac0af (diff) | |
| download | linux-stable-b223f4e215b32849b841e750e83a915b670070f5.tar.gz linux-stable-b223f4e215b32849b841e750e83a915b670070f5.tar.bz2 linux-stable-b223f4e215b32849b841e750e83a915b670070f5.zip | |
Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc
Diffstat (limited to 'drivers/pwm/core.c')
| -rw-r--r-- | drivers/pwm/core.c | 3 |
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))) |