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-rw-r--r--drivers/pwm/core.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index e3d6c5437070..799c4fb4cc2f 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -759,9 +759,9 @@ void pwm_remove_table(struct pwm_lookup *table, size_t num)
*/
struct pwm_device *pwm_get(struct device *dev, const char *con_id)
{
- struct pwm_device *pwm = ERR_PTR(-EPROBE_DEFER);
const char *dev_id = dev ? dev_name(dev) : NULL;
- struct pwm_chip *chip = NULL;
+ struct pwm_device *pwm;
+ struct pwm_chip *chip;
unsigned int best = 0;
struct pwm_lookup *p, *chosen = NULL;
unsigned int match;
@@ -819,24 +819,22 @@ struct pwm_device *pwm_get(struct device *dev, const char *con_id)
}
}
- if (!chosen) {
- pwm = ERR_PTR(-ENODEV);
- goto out;
- }
+ mutex_unlock(&pwm_lookup_lock);
+
+ if (!chosen)
+ return ERR_PTR(-ENODEV);
chip = pwmchip_find_by_name(chosen->provider);
if (!chip)
- goto out;
+ return ERR_PTR(-EPROBE_DEFER);
pwm = pwm_request_from_chip(chip, chosen->index, con_id ?: dev_id);
if (IS_ERR(pwm))
- goto out;
+ return pwm;
pwm->args.period = chosen->period;
pwm->args.polarity = chosen->polarity;
-out:
- mutex_unlock(&pwm_lookup_lock);
return pwm;
}
EXPORT_SYMBOL_GPL(pwm_get);