Author: hselasky
Date: Wed Mar 25 10:37:17 2015
New Revision: 280531
URL: https://svnweb.freebsd.org/changeset/base/280531
Log:
MFC r279854:
Lock softc before clearing bits.
Modified:
stable/9/sys/dev/usb/input/uhid.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/dev/ (props changed)
Modified: stable/9/sys/dev/usb/input/uhid.c
==============================================================================
--- stable/9/sys/dev/usb/input/uhid.c Wed Mar 25 10:36:37 2015
(r280530)
+++ stable/9/sys/dev/usb/input/uhid.c Wed Mar 25 10:37:17 2015
(r280531)
@@ -518,7 +518,9 @@ uhid_open(struct usb_fifo *fifo, int ffl
*/
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)) {
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