linux-kernel - [PATCH] drm: fix ifnullfree.cocci warnings

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Message-ID: <alpine.DEB.2.21.2003270908410.2709@hadrien>
Date:   Fri, 27 Mar 2020 09:11:44 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Daniel Vetter <daniel.vetter@...ll.ch>
cc:     kbuild-all@...ts.01.org, Sam Ravnborg <sam@...nborg.org>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm: fix ifnullfree.cocci warnings

NULL check before kfree is not needed.

Generated by: scripts/coccinelle/free/ifnullfree.cocci

Fixes: c6603c740e0e ("drm: add managed resources tied to drm_device")
Signed-off-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
---

tree:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
head:   9e1ed9fb1eb0a4bc43a26365c592d3095286038b
commit: c6603c740e0e3492c9c95fdab833375bf7117b6b [1587/1636] drm: add managed resources tied to drm_device
:::::: branch date: 8 hours ago
:::::: commit date: 9 hours ago

Up to you, if you tihnk it is useful...

 drm_drv.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -837,8 +837,9 @@ static void drm_dev_release(struct kref
 	if (!dev->driver->release && !dev->managed.final_kfree) {
 		WARN_ON(!list_empty(&dev->managed.resources));
 		kfree(dev);
-	} else if (dev->managed.final_kfree)
+	} else {
 		kfree(dev->managed.final_kfree);
+	}
 }

 /**