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| author | H. Peter Anvin <hpa@zytor.com> | 2009-03-03 21:05:42 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-03-03 21:05:42 -0800 |
| commit | 2e22ea7cea0f7de86fd30df867fbf5b7e8eee0fd (patch) | |
| tree | 8b8e5583fb2787ff7107a6f59b114ddcd2c2f691 /drivers/usb/core/message.c | |
| parent | 638bee71c83a2837b48062fdc5b222163cf53d79 (diff) | |
| parent | 645af4e9e0e32481e3336dda813688732c7e5f0f (diff) | |
Merge branch 'x86/core' into x86/mce2
Diffstat (limited to 'drivers/usb/core/message.c')
| -rw-r--r-- | drivers/usb/core/message.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index 31fb204f44c..49e7f56e0d7 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -653,7 +653,7 @@ int usb_get_descriptor(struct usb_device *dev, unsigned char type, if (result <= 0 && result != -ETIMEDOUT) continue; if (result > 1 && ((u8 *)buf)[1] != type) { - result = -EPROTO; + result = -ENODATA; continue; } break; @@ -696,8 +696,13 @@ static int usb_get_string(struct usb_device *dev, unsigned short langid, USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, (USB_DT_STRING << 8) + index, langid, buf, size, USB_CTRL_GET_TIMEOUT); - if (!(result == 0 || result == -EPIPE)) - break; + if (result == 0 || result == -EPIPE) + continue; + if (result > 1 && ((u8 *) buf)[1] != USB_DT_STRING) { + result = -ENODATA; + continue; + } + break; } return result; } |