From 3887db5c2b6531c59e9649a4293071b575d6eb3b Mon Sep 17 00:00:00 2001 From: Christophe JAILLET Date: Sat, 16 Jul 2016 08:34:33 +0200 Subject: [PATCH] usb: gadget: composite: Fix return value in case of error In 'composite_os_desc_req_prepare', if one of the memory allocations fail, 0 will be returned, which means success. We should return -ENOMEM instead. Signed-off-by: Christophe JAILLET Signed-off-by: Felipe Balbi --- drivers/usb/gadget/composite.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index a8ecc7a612b9..5ebe6af7976e 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2126,14 +2126,14 @@ int composite_os_desc_req_prepare(struct usb_composite_dev *cdev, cdev->os_desc_req = usb_ep_alloc_request(ep0, GFP_KERNEL); if (!cdev->os_desc_req) { - ret = PTR_ERR(cdev->os_desc_req); + ret = -ENOMEM; goto end; } /* OS feature descriptor length <= 4kB */ cdev->os_desc_req->buf = kmalloc(4096, GFP_KERNEL); if (!cdev->os_desc_req->buf) { - ret = PTR_ERR(cdev->os_desc_req->buf); + ret = -ENOMEM; kfree(cdev->os_desc_req); goto end; }