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Message-Id: <1371675460-14850-1-git-send-email-khoroshilov@ispras.ru>
Date: Thu, 20 Jun 2013 00:57:40 +0400
From: Alexey Khoroshilov <khoroshilov@...ras.ru>
To: Hans Verkuil <hans.verkuil@...co.com>
Cc: Alexey Khoroshilov <khoroshilov@...ras.ru>,
Mauro Carvalho Chehab <mchehab@...hat.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org, ldv-project@...uxtesting.org
Subject: [PATCH] [media] go7007: fix return 0 for unsupported devices in go7007_usb_probe()
probe() should not return 0 for unsupported devices, but go7007_usb_probe() does.
The patch fixes it to return -ENODEV.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
---
drivers/staging/media/go7007/go7007-usb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/go7007/go7007-usb.c b/drivers/staging/media/go7007/go7007-usb.c
index 50066e0..46ed832 100644
--- a/drivers/staging/media/go7007/go7007-usb.c
+++ b/drivers/staging/media/go7007/go7007-usb.c
@@ -1124,7 +1124,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
case GO7007_BOARDID_LIFEVIEW_LR192:
printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
"is not supported. Sorry!\n");
- return 0;
+ return -ENODEV;
name = "Lifeview TV Walker Ultra";
board = &board_lifeview_lr192;
break;
@@ -1140,7 +1140,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
default:
printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
(unsigned int)id->driver_info);
- return 0;
+ return -ENODEV;
}
go = go7007_alloc(&board->main_info, &intf->dev);
--
1.8.1.2
--
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