From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Anton Vasilyev , Aleksandar Markovic , Miodrag Dinic , Goran Ferenc , Bartlomiej Zolnierkiewicz , Sasha Levin Subject: [PATCH AUTOSEL 4.18 44/88] video: goldfishfb: fix memory leak on driver remove Date: Fri, 7 Sep 2018 00:36:25 +0000 Message-ID: <20180907003547.57567-44-alexander.levin@microsoft.com> References: <20180907003547.57567-1-alexander.levin@microsoft.com> In-Reply-To: <20180907003547.57567-1-alexander.levin@microsoft.com> Content-Language: en-US Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: From: Anton Vasilyev [ Upstream commit 5958fde72d04e7b8c6de3669d1f794a90997e3eb ] goldfish_fb_probe() allocates memory for fb, but goldfish_fb_remove() does not have deallocation of fb, which leads to memory leak on probe/remove. The patch adds deallocation into goldfish_fb_remove(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Anton Vasilyev Cc: Aleksandar Markovic Cc: Miodrag Dinic Cc: Goran Ferenc Signed-off-by: Bartlomiej Zolnierkiewicz Signed-off-by: Sasha Levin --- drivers/video/fbdev/goldfishfb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/video/fbdev/goldfishfb.c b/drivers/video/fbdev/goldfis= hfb.c index 3b70044773b6..9fe7edf725c6 100644 --- a/drivers/video/fbdev/goldfishfb.c +++ b/drivers/video/fbdev/goldfishfb.c @@ -301,6 +301,7 @@ static int goldfish_fb_remove(struct platform_device *p= dev) dma_free_coherent(&pdev->dev, framesize, (void *)fb->fb.screen_base, fb->fb.fix.smem_start); iounmap(fb->reg_base); + kfree(fb); return 0; } =20 --=20 2.17.1