diff options
Diffstat (limited to 'drivers/coresight')
| -rw-r--r-- | drivers/coresight/coresight-etm3x.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/coresight/coresight-etm3x.c b/drivers/coresight/coresight-etm3x.c index d9e3ed6aa857..369cac00afaa 100644 --- a/drivers/coresight/coresight-etm3x.c +++ b/drivers/coresight/coresight-etm3x.c @@ -573,7 +573,8 @@ static ssize_t mode_store(struct device *dev, if (drvdata->mode & ETM_MODE_STALL) { if (!(drvdata->etmccr & ETMCCR_FIFOFULL)) { dev_warn(drvdata->dev, "stall mode not supported\n"); - return -EINVAL; + ret = -EINVAL; + goto err_unlock; } drvdata->ctrl |= ETMCR_STALL_MODE; } else @@ -582,7 +583,8 @@ static ssize_t mode_store(struct device *dev, if (drvdata->mode & ETM_MODE_TIMESTAMP) { if (!(drvdata->etmccer & ETMCCER_TIMESTAMP)) { dev_warn(drvdata->dev, "timestamp not supported\n"); - return -EINVAL; + ret = -EINVAL; + goto err_unlock; } drvdata->ctrl |= ETMCR_TIMESTAMP_EN; } else @@ -595,6 +597,10 @@ static ssize_t mode_store(struct device *dev, spin_unlock(&drvdata->spinlock); return size; + +err_unlock: + spin_unlock(&drvdata->spinlock); + return ret; } static DEVICE_ATTR_RW(mode); |