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authorMartin Fuzzey <mfuzzey@gmail.com>2010-10-01 00:20:48 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2010-10-22 10:22:01 -0700
commit40aed5241e4e5363c11acc841f6ef794b2c25668 (patch)
tree6ab73dfce9ac458af0f96a918a6f55aee59fc662 /drivers/usb/misc
parentfabbf2196d0db0b4d175456dcb373aa2440f5728 (diff)
downloadvexpress-lsk-40aed5241e4e5363c11acc841f6ef794b2c25668.tar.gz
USB: usbtest - ensure correct isoc data length
Check the data length of isochronous transfers is as expected. With this test #16 will now fail if the device side sends no data. Signed-off-by: Martin Fuzzey <mfuzzey@gmail.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/misc')
-rw-r--r--drivers/usb/misc/usbtest.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index bb078ebb8e8..a35b427c0ba 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1371,6 +1371,8 @@ static void iso_callback(struct urb *urb)
ctx->errors += urb->error_count;
else if (urb->status != 0)
ctx->errors += urb->number_of_packets;
+ else if (urb->actual_length != urb->transfer_buffer_length)
+ ctx->errors++;
if (urb->status == 0 && ctx->count > (ctx->pending - 1)
&& !ctx->submit_error) {