Messages in this thread Patch in this message |  | | | Date | Wed, 02 Nov 2011 15:26:44 -0700 | | From | Greg KH <> | | Subject | [060/101] usbmon vs. tcpdump: fix dropped packet count |
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2.6.33-longterm review patch. If anyone has any objections, please let us know.
------------------ From: Johannes Stezenbach <js@sig21.net>
commit 236c448cb6e7f82096101e1ace4b77f8b38f82c8 upstream.
Report the number of dropped packets instead of zero when using the binary usbmon interface with tcpdump.
# tcpdump -i usbmon1 -w dump tcpdump: listening on usbmon1, link-type USB_LINUX_MMAPPED (USB with padded Linux header), capture size 65535 bytes ^C2155 packets captured 2155 packets received by filter 1019 packets dropped by kernel
Signed-off-by: Johannes Stezenbach <js@sig21.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/usb/mon/mon_bin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -1074,7 +1074,7 @@ static int mon_bin_ioctl(struct inode *i nevents = mon_bin_queued(rp); sp = (struct mon_bin_stats __user *)arg; - if (put_user(rp->cnt_lost, &sp->dropped)) + if (put_user(ndropped, &sp->dropped)) return -EFAULT; if (put_user(nevents, &sp->queued)) return -EFAULT;
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