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drm/omap: check return value from soc_device_match 

soc_device_match() can return NULL, so add a check and fail if
soc_device_match() fails.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180502091159.7071-2-tomi.valkeinen@ti.com
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
This commit is contained in:
Tomi Valkeinen 2018-05-02 12:11:56 +03:00 committed by Sean Paul
parent 6a0f0c5561
commit 4d6cb5e2fe
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/omapdrm/dss/hdmi4_core.c
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@ -922,8 +922,13 @@ int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
{
const struct hdmi4_features *features;
struct resource *res;
const struct soc_device_attribute *soc;
features = soc_device_match(hdmi4_soc_devices)->data;
soc = soc_device_match(hdmi4_soc_devices);
if (!soc)
return -ENODEV;
features = soc->data;
core->cts_swmode = features->cts_swmode;
core->audio_use_mclk = features->audio_use_mclk;