kfree on a null argument is a no-op. Silences the following smatch warning: drivers/gpu/drm/drm_stub.c:496 drm_put_dev() info: redundant null check on dev->devname calling kfree()
Signed-off-by: Sachin Kamat sachin.kamat@linaro.org --- drivers/gpu/drm/drm_stub.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index c236fd2..2d4beff 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -492,10 +492,7 @@ void drm_put_dev(struct drm_device *dev) drm_put_minor(&dev->primary);
list_del(&dev->driver_item); - if (dev->devname) { - kfree(dev->devname); - dev->devname = NULL; - } + kfree(dev->devname); kfree(dev); } EXPORT_SYMBOL(drm_put_dev);