diff options
Diffstat (limited to 'drivers/base/platform.c')
| -rw-r--r-- | drivers/base/platform.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index a102152301c8..d1bd99271066 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -344,7 +344,7 @@ EXPORT_SYMBOL_GPL(platform_device_add_data); * platform device is released. */ int platform_device_add_properties(struct platform_device *pdev, - struct property_entry *properties) + const struct property_entry *properties) { return device_add_properties(&pdev->dev, properties); } @@ -866,7 +866,7 @@ static ssize_t driver_override_store(struct device *dev, const char *buf, size_t count) { struct platform_device *pdev = to_platform_device(dev); - char *driver_override, *old = pdev->driver_override, *cp; + char *driver_override, *old, *cp; if (count > PATH_MAX) return -EINVAL; @@ -879,12 +879,15 @@ static ssize_t driver_override_store(struct device *dev, if (cp) *cp = '\0'; + device_lock(dev); + old = pdev->driver_override; if (strlen(driver_override)) { pdev->driver_override = driver_override; } else { kfree(driver_override); pdev->driver_override = NULL; } + device_unlock(dev); kfree(old); @@ -895,8 +898,12 @@ static ssize_t driver_override_show(struct device *dev, struct device_attribute *attr, char *buf) { struct platform_device *pdev = to_platform_device(dev); + ssize_t len; - return sprintf(buf, "%s\n", pdev->driver_override); + device_lock(dev); + len = sprintf(buf, "%s\n", pdev->driver_override); + device_unlock(dev); + return len; } static DEVICE_ATTR_RW(driver_override); |