svn commit: r279854 - head/sys/dev/usb/input
Hans Petter Selasky
hselasky at FreeBSD.org
Tue Mar 10 16:06:08 UTC 2015
Author: hselasky
Date: Tue Mar 10 16:06:07 2015
New Revision: 279854
URL: https://svnweb.freebsd.org/changeset/base/279854
Log:
Lock softc before clearing bits.
Found by: Dmitry Luhtionov <dmitryluhtionov at gmail.com>
MFC after: 1 week
Modified:
head/sys/dev/usb/input/uhid.c
Modified: head/sys/dev/usb/input/uhid.c
==============================================================================
--- head/sys/dev/usb/input/uhid.c Tue Mar 10 16:01:43 2015 (r279853)
+++ head/sys/dev/usb/input/uhid.c Tue Mar 10 16:06:07 2015 (r279854)
@@ -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)) {
More information about the svn-src-all
mailing list