linux-kernel - [PATCH] drm/i915: Fix memory leaks in i915 selftests

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Message-Id: <20230413031349.9026-1-liucong2@kylinos.cn>
Date:   Thu, 13 Apr 2023 11:13:49 +0800
From:   Cong Liu <liucong2@...inos.cn>
To:     Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Tvrtko Ursulin <tvrtko.ursulin@...ux.intel.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthew Auld <matthew.auld@...el.com>,
        Andi Shyti <andi.shyti@...ux.intel.com>,
        Nirmoy Das <nirmoy.das@...el.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>,
        Matthew Brost <matthew.brost@...el.com>,
        Jonathan Cavitt <jonathan.cavitt@...el.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Gwan-gyeong Mun <gwan-gyeong.mun@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     Cong Liu <liucong2@...inos.cn>
Subject: [PATCH] drm/i915: Fix memory leaks in i915 selftests

Fixes: c3bfba9a2225 ("drm/i915: Check for integer truncation on scatterlist creation")

Signed-off-by: Cong Liu <liucong2@...inos.cn>
---
 drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 5361ce70d3f2..154801f1c468 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -69,8 +69,10 @@ static int fake_get_pages(struct drm_i915_gem_object *obj)
 
 	rem = round_up(obj->base.size, BIT(31)) >> 31;
 	/* restricted by sg_alloc_table */
-	if (overflows_type(rem, unsigned int))
+	if (overflows_type(rem, unsigned int)) {
+		kfree(pages);
 		return -E2BIG;
+	}
 
 	if (sg_alloc_table(pages, rem, GFP)) {
 		kfree(pages);
-- 
2.34.1


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