diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-26 15:45:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-26 15:45:22 +0100 |
| commit | a5ebc0b1a7843508b375f7ab8a36a628e5c9f372 (patch) | |
| tree | 04d3ab410e08b4d9174c663dd6bf95611dd16d0a /drivers/usb/core/message.c | |
| parent | 5ba1ae92b6796b3367152ccd9baa022dde7eed4c (diff) | |
| parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
| download | linux-a5ebc0b1a7843508b375f7ab8a36a628e5c9f372.tar.gz linux-a5ebc0b1a7843508b375f7ab8a36a628e5c9f372.tar.xz | |
Merge commit 'v2.6.29' into timers/core
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 31fb204f44c6..49e7f56e0d7f 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; } |