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Groups > linux.kernel > #1604955

[PATCH] drm/gma500: fix memory leak on edid

From Colin King <colin.king@canonical.com>
Newsgroups linux.kernel
Subject [PATCH] drm/gma500: fix memory leak on edid
Date 2017-03-20 19:20 +0100
Message-ID <tna4q-52-39@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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From: Colin Ian King <colin.king@canonical.com>

edid is allocated on the call to psb_intel_sdvo_get_edid but not
kfree'd at all, causing a memory leak.  Fix this by kfree'ing
the edid.  (This may be null, but kfree can handle null frees).

Detected by CoverityScan, CID#1090730 ("Resource Leak")

Fixes: 5736995b473b ("gma500: Replace SDVO code with slightly modified version from i915")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/gpu/drm/gma500/psb_intel_sdvo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/gma500/psb_intel_sdvo.c b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
index e787d376ba67..f38e6ad1ab9b 100644
--- a/drivers/gpu/drm/gma500/psb_intel_sdvo.c
+++ b/drivers/gpu/drm/gma500/psb_intel_sdvo.c
@@ -1650,6 +1650,7 @@ static bool psb_intel_sdvo_detect_hdmi_audio(struct drm_connector *connector)
 	edid = psb_intel_sdvo_get_edid(connector);
 	if (edid != NULL && edid->input & DRM_EDID_INPUT_DIGITAL)
 		has_audio = drm_detect_monitor_audio(edid);
+	kfree(edid);
 
 	return has_audio;
 }
-- 
2.11.0

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[PATCH] drm/gma500: fix memory leak on edid Colin King <colin.king@canonical.com> - 2017-03-20 19:20 +0100
  Re: [PATCH] drm/gma500: fix memory leak on edid walter harms <wharms@bfs.de> - 2017-03-20 19:40 +0100

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