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drm/i915: Don't leak edid in intel_crt_detect_ddc()

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In the path where intel_crt_detect_ddc() detects a CRT, if would return
true without freeing the edid.

Fixes: a2bd1f541f ("drm/i915: check whether we actually received an edid in detect_ddc")
Cc: Chris Wilson <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Daniel Vetter <[email protected]>
Cc: Jani Nikula <[email protected]>
Cc: [email protected]
Cc: <[email protected]> # v3.6+
Signed-off-by: Ander Conselvan de Oliveira <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Reviewed-by: Jani Nikula <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/1484922525-6131-1-git-send-email-ander.conselvan.de.oliveira@intel.com
(cherry picked from commit c96b63a6a7)
Signed-off-by: Jani Nikula <[email protected]>
This commit is contained in:
Ander Conselvan de Oliveira 2017-01-20 16:28:42 +02:00 • committed by Jani Nikula
commit c34f078675
1 changed files with 5 additions and 4 deletions
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9
drivers/gpu/drm/i915/intel_crt.c
View file

@ -499,6 +499,7 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
struct drm_i915_private *dev_priv = to_i915(crt->base.base.dev);
struct edid *edid;
struct i2c_adapter *i2c;
bool ret = false;
BUG_ON(crt->base.type != INTEL_OUTPUT_ANALOG);
@ -515,17 +516,17 @@ static bool intel_crt_detect_ddc(struct drm_connector *connector)
*/
if (!is_digital) {
DRM_DEBUG_KMS("CRT detected via DDC:0x50 [EDID]\n");
return true;
ret = true;
} else {
DRM_DEBUG_KMS("CRT not detected via DDC:0x50 [EDID reports a digital panel]\n");
}
DRM_DEBUG_KMS("CRT not detected via DDC:0x50 [EDID reports a digital panel]\n");
} else {
DRM_DEBUG_KMS("CRT not detected via DDC:0x50 [no valid EDID found]\n");
}
kfree(edid);
return false;
return ret;
}
static enum drm_connector_status