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authorSebastian Haas <dev@sebastianhaas.info>2011-12-22 23:58:34 +0100
committerMarc Kleine-Budde <mkl@pengutronix.de>2012-02-03 01:21:25 +0100
commit2ee6850ca0cac95101d2a36c8b186b40d4fc7311 (patch)
tree002e25689ba79cab63cdcde606c0f7f9e6b1d1da /drivers/net/can/usb/ems_usb.c
parent9a12349663061d25b49e6542d005fa7193a2cb44 (diff)
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 <dev@sebastianhaas.info> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/usb/ems_usb.c')
-rw-r--r--drivers/net/can/usb/ems_usb.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 7dae64d44e8..9783e02fbc2 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),