diff options
| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2018-05-02 11:11:56 +0200 |
|---|---|---|
| committer | Sean Paul <seanpaul@chromium.org> | 2018-05-07 16:19:11 +0200 |
| commit | 4d6cb5e2fee52af17001e92950f0894304706ee4 (patch) | |
| tree | 68c4247634406d79bcfc71ea944bc87034743be6 /drivers/gpu | |
| parent | drm/omap: fix possible NULL ref issue in tiler_reserve_2d (diff) | |
| download | linux-4d6cb5e2fee52af17001e92950f0894304706ee4.tar.xz linux-4d6cb5e2fee52af17001e92950f0894304706ee4.zip | |
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>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/dss/hdmi4_core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c index 35ed2add6189..813ba42f2753 100644 --- a/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c +++ b/drivers/gpu/drm/omapdrm/dss/hdmi4_core.c @@ -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; |