From: Sebastian Haas Date: Thu, 22 Dec 2011 22:58:34 +0000 (+0100) Subject: can: ems_usb: Improved memory handling on ems_usb_start X-Git-Tag: v3.12-rc1~3664^2~390^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2ee6850ca0cac95101d2a36c8b186b40d4fc7311;p=kernel%2Fkernel-generic.git can: ems_usb: Improved memory handling on ems_usb_start Do not return from ems_usb_start if allocation fails. If not all URBs could be allocated use the one already submitted. Signed-off-by: Sebastian Haas Signed-off-by: Marc Kleine-Budde --- diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c index 7dae64d..9783e02 100644 --- a/drivers/net/can/usb/ems_usb.c +++ b/drivers/net/can/usb/ems_usb.c @@ -607,7 +607,8 @@ static int ems_usb_start(struct ems_usb *dev) if (!urb) { dev_err(netdev->dev.parent, "No memory left for URBs\n"); - return -ENOMEM; + err = -ENOMEM; + break; } buf = usb_alloc_coherent(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL, @@ -616,7 +617,8 @@ static int ems_usb_start(struct ems_usb *dev) dev_err(netdev->dev.parent, "No memory left for USB buffer\n"); usb_free_urb(urb); - return -ENOMEM; + err = -ENOMEM; + break; } usb_fill_bulk_urb(urb, dev->udev, usb_rcvbulkpipe(dev->udev, 2),