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usb: core: hub: don't print on ENOMEM 

All kmalloc-based functions print enough information on failures.

Signed-off-by: Wolfram Sang <wsa-dev@sang-engineering.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2016-08-25 19:38:59 +02:00 committed by Greg Kroah-Hartman
parent 36af2db870
commit b74e706236
1 changed files with 3 additions and 6 deletions
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9
drivers/usb/core/hub.c
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@ -1823,10 +1823,8 @@ descriptor_error:
dev_info(&intf->dev, "USB hub found\n");
hub = kzalloc(sizeof(*hub), GFP_KERNEL);
if (!hub) {
dev_dbg(&intf->dev, "couldn't kmalloc hub struct\n");
if (!hub)
return -ENOMEM;
}
kref_init(&hub->kref);
hub->intfdev = &intf->dev;
@ -5337,11 +5335,10 @@ static int descriptors_changed(struct usb_device *udev,
}
buf = kmalloc(len, GFP_NOIO);
if (buf == NULL) {
dev_err(&udev->dev, "no mem to re-read configs after reset\n");
if (!buf)
/* assume the worst */
return 1;
}
for (index = 0; index < udev->descriptor.bNumConfigurations; index++) {
old_length = le16_to_cpu(udev->config[index].desc.wTotalLength);
length = usb_get_descriptor(udev, USB_DT_CONFIG, index, buf,