linux-kernel - [PATCH 5.10 005/120] USB: gadget: legacy: fix an error code in eth

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Message-Id: <20210208145818.619383021@linuxfoundation.org>
Date:   Mon,  8 Feb 2021 15:59:52 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>
Subject: [PATCH 5.10 005/120] USB: gadget: legacy: fix an error code in eth_bind()

From: Dan Carpenter <dan.carpenter@...cle.com>

commit 3e1f4a2e1184ae6ad7f4caf682ced9554141a0f4 upstream.

This code should return -ENOMEM if the allocation fails but it currently
returns success.

Fixes: 9b95236eebdb ("usb: gadget: ether: allocate and init otg descriptor by otg capabilities")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Link: https://lore.kernel.org/r/YBKE9rqVuJEOUWpW@mwanda
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/gadget/legacy/ether.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/usb/gadget/legacy/ether.c
+++ b/drivers/usb/gadget/legacy/ether.c
@@ -403,8 +403,10 @@ static int eth_bind(struct usb_composite
 		struct usb_descriptor_header *usb_desc;
 
 		usb_desc = usb_otg_descriptor_alloc(gadget);
-		if (!usb_desc)
+		if (!usb_desc) {
+			status = -ENOMEM;
 			goto fail1;
+		}
 		usb_otg_descriptor_init(gadget, usb_desc);
 		otg_desc[0] = usb_desc;
 		otg_desc[1] = NULL;