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@xxxxxxxxxx>
---
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);
--
1.7.4.1
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