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| author | hselasky <hselasky@FreeBSD.org> | 2015-03-10 16:06:07 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2015-03-10 16:06:07 +0000 |
| commit | 3121e258c76aac03e285cba717a62be6d46f1b60 (patch) | |
| tree | 42377c35108fba6e57c744abaa14654f22bf082b /sys/dev/usb | |
| parent | d4fc9fa205a9513477f4a0a4f103c45f13645cc7 (diff) | |
| download | FreeBSD-src-3121e258c76aac03e285cba717a62be6d46f1b60.zip FreeBSD-src-3121e258c76aac03e285cba717a62be6d46f1b60.tar.gz | |
Lock softc before clearing bits.
Found by: Dmitry Luhtionov <dmitryluhtionov@gmail.com>
MFC after: 1 week
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/input/uhid.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/dev/usb/input/uhid.c b/sys/dev/usb/input/uhid.c index ece5e95..b0fe3a0 100644 --- a/sys/dev/usb/input/uhid.c +++ b/sys/dev/usb/input/uhid.c @@ -518,7 +518,9 @@ uhid_open(struct usb_fifo *fifo, int fflags) */ if (fflags & FREAD) { /* reset flags */ + mtx_lock(&sc->sc_mtx); sc->sc_flags &= ~UHID_FLAG_IMMED; + mtx_unlock(&sc->sc_mtx); if (usb_fifo_alloc_buffer(fifo, sc->sc_isize + 1, UHID_FRAME_NUM)) { |
