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[media] tm6000: check an allocation for failure
This allocation had no error checking. It didn't need to be under the mutex so I moved it out form there. That makes the error handling easier and is a potential speed up. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -40,10 +40,13 @@ int tm6000_read_write_usb(struct tm6000_core *dev, u8 req_type, u8 req,
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u8 *data = NULL;
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int delay = 5000;
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mutex_lock(&dev->usb_lock);
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if (len)
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if (len) {
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data = kzalloc(len, GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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}
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mutex_lock(&dev->usb_lock);
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if (req_type & USB_DIR_IN)
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pipe = usb_rcvctrlpipe(dev->udev, 0);
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