linux-kernel - [PATCH] video: fbdev: radeon: Fix memleak in radeonfb_pci

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Date:   Tue, 25 Aug 2020 14:29:00 +0800
From:   Dinghao Liu <dinghao.liu@....edu.cn>
To:     dinghao.liu@....edu.cn, kjlu@....edu
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Mathieu Malaterre <malat@...ian.org>,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] video: fbdev: radeon: Fix memleak in radeonfb_pci_register

When radeon_kick_out_firmware_fb() fails, info should be
freed just like the subsequent error paths.

Fixes: 069ee21a82344 ("fbdev: Fix loading of module radeonfb on PowerMac")
Signed-off-by: Dinghao Liu <dinghao.liu@....edu.cn>
---
 drivers/video/fbdev/aty/radeon_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/aty/radeon_base.c b/drivers/video/fbdev/aty/radeon_base.c
index 3fe509cb9b87..13bd2bd5c043 100644
--- a/drivers/video/fbdev/aty/radeon_base.c
+++ b/drivers/video/fbdev/aty/radeon_base.c
@@ -2307,7 +2307,7 @@ static int radeonfb_pci_register(struct pci_dev *pdev,
 
 	ret = radeon_kick_out_firmware_fb(pdev);
 	if (ret)
-		return ret;
+		goto err_release_fb;
 
 	/* request the mem regions */
 	ret = pci_request_region(pdev, 0, "radeonfb framebuffer");
-- 
2.17.1