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| author | Pete Zaitcev <zaitcev@redhat.com> | 2007-08-14 00:42:53 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 14:55:15 -0700 |
| commit | c36d54ab380fb8edeaa22776af869c64bfda43bd (patch) | |
| tree | 8bba1807b81f3dc43d146edb47f95f080372d7d2 /drivers/usb/mon | |
| parent | cdd5a8fd24f5be43417a25c6feb8e7ebdce63098 (diff) | |
| download | linux-3.10-c36d54ab380fb8edeaa22776af869c64bfda43bd.tar.gz linux-3.10-c36d54ab380fb8edeaa22776af869c64bfda43bd.tar.bz2 linux-3.10-c36d54ab380fb8edeaa22776af869c64bfda43bd.zip | |
usbmon: Smooth the core code
Two things:
- mbus can be NULL (in case of bus removal while reader is reading)
- Remove a useless assignment
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/mon')
| -rw-r--r-- | drivers/usb/mon/mon_main.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/usb/mon/mon_main.c b/drivers/usb/mon/mon_main.c index e58f761d060..2e317bd79e9 100644 --- a/drivers/usb/mon/mon_main.c +++ b/drivers/usb/mon/mon_main.c @@ -148,18 +148,8 @@ static void mon_complete(struct usb_bus *ubus, struct urb *urb) { struct mon_bus *mbus; - mbus = ubus->mon_bus; - if (mbus == NULL) { - /* - * This should not happen. - * At this point we do not even know the bus number... - */ - printk(KERN_ERR TAG ": Null mon bus in URB, address %p\n", - urb); - return; - } - - mon_bus_complete(mbus, urb); + if ((mbus = ubus->mon_bus) != NULL) + mon_bus_complete(mbus, urb); mon_bus_complete(&mon_bus0, urb); } @@ -170,7 +160,7 @@ static void mon_complete(struct usb_bus *ubus, struct urb *urb) */ static void mon_stop(struct mon_bus *mbus) { - struct usb_bus *ubus = mbus->u_bus; + struct usb_bus *ubus; struct list_head *p; if (mbus == &mon_bus0) { |