diff options
Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
| -rw-r--r-- | drivers/usb/class/cdc-wdm.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 8f972247b1c1..3e865dbf878c 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -26,10 +26,6 @@ #include <asm/unaligned.h> #include <linux/usb/cdc-wdm.h> -/* - * Version Information - */ -#define DRIVER_VERSION "v0.03" #define DRIVER_AUTHOR "Oliver Neukum" #define DRIVER_DESC "USB Abstract Control Model driver for USB WCM Device Management" @@ -194,8 +190,10 @@ static void wdm_in_callback(struct urb *urb) /* * only set a new error if there is no previous error. * Errors are only cleared during read/open + * Avoid propagating -EPIPE (stall) to userspace since it is + * better handled as an empty read */ - if (desc->rerr == 0) + if (desc->rerr == 0 && status != -EPIPE) desc->rerr = status; if (length + desc->length > desc->wMaxCommand) { |