linux-kernel - [PATCH] drm/amd: fix potential memory leak

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Message-Id: <20220823063546.11499-1-bernard@vivo.com>
Date:   Mon, 22 Aug 2022 23:35:24 -0700
From:   Bernard Zhao <bernard@...o.com>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
        Eric Yang <Eric.Yang2@....com>,
        Michael Strauss <michael.strauss@....com>,
        Fangzhi Zuo <Jerry.Zuo@....com>, Melissa Wen <mwen@...lia.com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     zhaojunkui2008@....com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] drm/amd: fix potential memory leak

This patch fix potential memory leak (clk_src) when function run
into last return NULL.
Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
index 85f32206a766..c7bb76a2a8c2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c
@@ -1643,6 +1643,7 @@ static struct clock_source *dcn31_clock_source_create(
 	}
 
 	BREAK_TO_DEBUGGER();
+	kfree(clk_src);
 	return NULL;
 }
 
-- 
2.33.1