diff options
| author | grehan <grehan@FreeBSD.org> | 2011-06-28 06:26:03 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2011-06-28 06:26:03 +0000 |
| commit | 2c6741be0f59191f2283eb268e4f7690399d578a (patch) | |
| tree | b139c8c6dcca4fa284815daade405b75886ee360 /sys/dev/usb/usb_process.c | |
| parent | 3c35264f695e0a1f8a04dbcca1c93bb5159b2274 (diff) | |
| parent | 19ae02bba572390c7299166228d31e54003e094a (diff) | |
| download | FreeBSD-src-2c6741be0f59191f2283eb268e4f7690399d578a.zip FreeBSD-src-2c6741be0f59191f2283eb268e4f7690399d578a.tar.gz | |
IFC @ r222830
Diffstat (limited to 'sys/dev/usb/usb_process.c')
| -rw-r--r-- | sys/dev/usb/usb_process.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/usb/usb_process.c b/sys/dev/usb/usb_process.c index 0509ec2..051ded9 100644 --- a/sys/dev/usb/usb_process.c +++ b/sys/dev/usb/usb_process.c @@ -360,7 +360,12 @@ usb_proc_is_gone(struct usb_process *up) if (up->up_gone) return (1); - mtx_assert(up->up_mtx, MA_OWNED); + /* + * Allow calls when up_mtx is NULL, before the USB process + * structure is initialised. + */ + if (up->up_mtx != NULL) + mtx_assert(up->up_mtx, MA_OWNED); return (0); } |
