variable 'data'is used uninitialized in this function. thus, 'function dcs_get_backlight'
will return unwanted value/fail.
Thus, adding NULL initialized to 'data' variable will solve the return
failure happening.
v2: Change commit message to reflect upstream with proper message
Change-Id: I3e2d3369601c119d3527efc454ea4367d7306416
Fixes: 90198355b83c ("drm/i915/dsi: Add DCS control for Panel PWM")
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxxx>
Cc: Yetunde Adebisi <yetundex.adebisi@xxxxxxxxx>
Cc: Deepak M <m.deepak@xxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Signed-off-by: Balasubramaniam, Hari Chand <hari.chand.balasubramaniam@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
index ac7c602..eec4585 100644
--- a/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
+++ b/drivers/gpu/drm/i915/intel_dsi_dcs_backlight.c
@@ -46,7 +46,7 @@ static u32 dcs_get_backlight(struct intel_connector *connector)
struct intel_encoder *encoder = connector->encoder;
struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
struct mipi_dsi_device *dsi_device;
- u8 data;
+ u8 data = 0;
enum port port;
/* FIXME: Need to take care of 16 bit brightness level */
--
1.9.1
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