diff options
| author | Ilya Yanok <ilya.yanok@cogentembedded.com> | 2012-07-15 04:43:51 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2012-07-18 14:43:42 +0200 |
| commit | fd06028df8a3b48575c9578aa73ab507d451bbc1 (patch) | |
| tree | 609e199d5da2a8e582489fa7077d0d9eaa746393 /common/usb.c | |
| parent | 80ab414afdc9543686d8258dd7b933a410df3c4e (diff) | |
usb: check return value of submit_{control, bulk}_msg
Return values of submit_{control,bulk}_msg() functions
should be checked to detect possible error.
Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
Diffstat (limited to 'common/usb.c')
| -rw-r--r-- | common/usb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/common/usb.c b/common/usb.c index 46f474169..1b40228b2 100644 --- a/common/usb.c +++ b/common/usb.c @@ -188,7 +188,8 @@ int usb_control_msg(struct usb_device *dev, unsigned int pipe, request, requesttype, value, index, size); dev->status = USB_ST_NOT_PROC; /*not yet processed */ - submit_control_msg(dev, pipe, data, size, setup_packet); + if (submit_control_msg(dev, pipe, data, size, setup_packet) < 0) + return -1; if (timeout == 0) return (int)size; @@ -220,7 +221,8 @@ int usb_bulk_msg(struct usb_device *dev, unsigned int pipe, if (len < 0) return -1; dev->status = USB_ST_NOT_PROC; /*not yet processed */ - submit_bulk_msg(dev, pipe, data, len); + if (submit_bulk_msg(dev, pipe, data, len) < 0) + return -1; while (timeout--) { if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC)) break; |