From: Yang Yingliang <yangyingliang@huawei.com>
Date: Fri, 30 Dec 2022 08:17:30 +0000 (+0800)
Subject: usb: musb: fix error return code in omap2430_probe()
X-Git-Tag: v6.1.8~81
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=421492f229f027840a7c468b10229e17d36ad653;p=platform%2Fkernel%2Flinux-starfive.git

usb: musb: fix error return code in omap2430_probe()

commit bd449ad8cee9d4b523abbdfa73e1a2a08333f331 upstream.

Before calling platform_get_resource() in omap2430_probe(), the 'ret' is
re-assgined to 0, it can't return an error code, if platform_get_resource
fails. Set the error code to -EINVAL to fix this.

Fixes: ffbe2feac59b ("usb: musb: omap2430: Fix probe regression for missing resources")
Cc: stable <stable@kernel.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221230081730.1655616-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 476f55d1fec3..44a21ec865fb 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -411,8 +411,10 @@ static int omap2430_probe(struct platform_device *pdev)
 		memset(musb_res, 0, sizeof(*musb_res) * ARRAY_SIZE(musb_res));
 
 		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-		if (!res)
+		if (!res) {
+			ret = -EINVAL;
 			goto err2;
+		}
 
 		musb_res[i].start = res->start;
 		musb_res[i].end = res->end;