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authorJohannes Stezenbach <js@sig21.net>2011-09-08 15:39:15 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-09-26 15:36:07 -0700
commit236c448cb6e7f82096101e1ace4b77f8b38f82c8 (patch)
tree70d26dd2488f78fa9c77a52fe54461f7917b0084 /drivers/usb/mon
parent865569ba5a8b0cc840e2b9c16ca6b42d6d5306b4 (diff)
usbmon vs. tcpdump: fix dropped packet count
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> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/mon')
-rw-r--r--drivers/usb/mon/mon_bin.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index a09dbd243eb3..a04b2ff9dd83 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -1101,7 +1101,7 @@ static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg
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;