usb: gadget: legacy: fix error return code in gfs_bind

We must return negative error code -ENOMEM if function
'usb_otg_descriptor_alloc()' fails.

Signed-off-by: Wei Chen <harperchen1110@gmail.com>
Link: https://lore.kernel.org/r/20230621124323.47183-1-harperchen1110@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/legacy/g_ffs.c b/drivers/usb/gadget/legacy/g_ffs.c
index 097854683e5b37b1ef88b839a80aa12faadb8057..a9544fea87237bf4be630ec784adce4a87dd6944 100644 (file)
--- a/drivers/usb/gadget/legacy/g_ffs.c
+++ b/drivers/usb/gadget/legacy/g_ffs.c
@@ -389,8 +389,10 @@ static int gfs_bind(struct usb_composite_dev *cdev)
                struct usb_descriptor_header *usb_desc;
 
                usb_desc = usb_otg_descriptor_alloc(cdev->gadget);
-               if (!usb_desc)
+               if (!usb_desc) {
+                       ret = -ENOMEM;
                        goto error_rndis;
+               }
                usb_otg_descriptor_init(cdev->gadget, usb_desc);
                gfs_otg_desc[0] = usb_desc;
                gfs_otg_desc[1] = NULL;