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* [Intel-gfx] [PATCH] drm/i915/display: Remove useless but deadly local
@ 2020-03-26  8:28 Chris Wilson
  2020-03-26  8:43 ` Jani Nikula
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: Chris Wilson @ 2020-03-26  8:28 UTC (permalink / raw)
  To: intel-gfx; +Cc: Jani Nikula, Wambui Karuga

Beware dereferencing the NULL pointer prior to checking for its
existence.

Fixes: 419190429cd1 ("drm/i915/hdmi: use struct drm_device based logging")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Wambui Karuga <wambui.karugax@gmail.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_hdmi.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 395dc192baa0..0076abc63851 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -691,7 +691,6 @@ void intel_read_infoframe(struct intel_encoder *encoder,
 			  union hdmi_infoframe *frame)
 {
 	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
-	struct drm_i915_private *i915 = to_i915(intel_dig_port->base.base.dev);
 	u8 buffer[VIDEO_DIP_DATA_SIZE];
 	int ret;
 
@@ -708,13 +707,13 @@ void intel_read_infoframe(struct intel_encoder *encoder,
 	/* see comment above for the reason for this offset */
 	ret = hdmi_infoframe_unpack(frame, buffer + 1, sizeof(buffer) - 1);
 	if (ret) {
-		drm_dbg_kms(&i915->drm,
+		drm_dbg_kms(encoder->base.dev,
 			    "Failed to unpack infoframe type 0x%02x\n", type);
 		return;
 	}
 
 	if (frame->any.type != type)
-		drm_dbg_kms(&i915->drm,
+		drm_dbg_kms(encoder->base.dev,
 			    "Found the wrong infoframe type 0x%x (expected 0x%02x)\n",
 			    frame->any.type, type);
 }
-- 
2.20.1

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^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2020-03-26 10:39 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2020-03-26  8:28 [Intel-gfx] [PATCH] drm/i915/display: Remove useless but deadly local Chris Wilson
2020-03-26  8:43 ` Jani Nikula
2020-03-26  9:12 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-03-26 10:03 ` [Intel-gfx] [PATCH] " Jani Nikula
2020-03-26 10:39 ` [Intel-gfx] ✓ Fi.CI.IGT: success for " Patchwork

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