diff options
Diffstat (limited to 'drivers/pwm/pwm-lp3943.c')
| -rw-r--r-- | drivers/pwm/pwm-lp3943.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c index 8a843a04c22..2c39b0e50fa 100644 --- a/drivers/pwm/pwm-lp3943.c +++ b/drivers/pwm/pwm-lp3943.c @@ -52,8 +52,10 @@ lp3943_pwm_request_map(struct lp3943_pwm *lp3943_pwm, int hwpwm) offset = pwm_map->output[i]; /* Return an error if the pin is already assigned */ - if (test_and_set_bit(offset, &lp3943->pin_used)) + if (test_and_set_bit(offset, &lp3943->pin_used)) { + kfree(pwm_map); return ERR_PTR(-EBUSY); + } } return pwm_map; @@ -276,6 +278,7 @@ static int lp3943_pwm_probe(struct platform_device *pdev) lp3943_pwm->chip.dev = &pdev->dev; lp3943_pwm->chip.ops = &lp3943_pwm_ops; lp3943_pwm->chip.npwm = LP3943_NUM_PWMS; + lp3943_pwm->chip.can_sleep = true; platform_set_drvdata(pdev, lp3943_pwm); |