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drm/simpledrm: Do not upcast in release helpers

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The res pointer passed to simpledrm_device_release_clocks() and
simpledrm_device_release_regulators() points to an instance of
struct simpledrm_device. No need to upcast from struct drm_device.
The upcast is harmless, as DRM device is the first field in struct
simpledrm_device.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Fixes: 11e8f5fd22 ("drm: Add simpledrm driver")
Cc: <stable@vger.kernel.org> # v5.14+
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://lore.kernel.org/r/20250407134753.985925-2-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2025-04-07 15:47:24 +02:00
parent 9521f9ba82
commit d231cde7c8
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/sysfb/simpledrm.c
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@@ -275,7 +275,7 @@ static struct simpledrm_device *simpledrm_device_of_dev(struct drm_device *dev)
static void simpledrm_device_release_clocks(void *res)
{
struct simpledrm_device *sdev = simpledrm_device_of_dev(res);
struct simpledrm_device *sdev = res;
unsigned int i;
for (i = 0; i < sdev->clk_count; ++i) {
@@ -373,7 +373,7 @@ static int simpledrm_device_init_clocks(struct simpledrm_device *sdev)
static void simpledrm_device_release_regulators(void *res)
{
struct simpledrm_device *sdev = simpledrm_device_of_dev(res);
struct simpledrm_device *sdev = res;
unsigned int i;
for (i = 0; i < sdev->regulator_count; ++i) {