Author: hselasky
Date: Wed Oct 12 15:43:22 2011
New Revision: 226306
URL: http://svn.freebsd.org/changeset/base/226306
Log:
MFC r226219
Fix panic due to re-using in-use modem unit number.
Approved by: re (kib)
Modified:
stable/9/sys/dev/usb/serial/usb_serial.c
Directory Properties:
stable/9/sys/ (props changed)
stable/9/sys/amd64/include/xen/ (props changed)
stable/9/sys/boot/ (props changed)
stable/9/sys/boot/i386/efi/ (props changed)
stable/9/sys/boot/ia64/efi/ (props changed)
stable/9/sys/boot/ia64/ski/ (props changed)
stable/9/sys/boot/powerpc/boot1.chrp/ (props changed)
stable/9/sys/boot/powerpc/ofw/ (props changed)
stable/9/sys/cddl/contrib/opensolaris/ (props changed)
stable/9/sys/conf/ (props changed)
stable/9/sys/contrib/dev/acpica/ (props changed)
stable/9/sys/contrib/octeon-sdk/ (props changed)
stable/9/sys/contrib/pf/ (props changed)
stable/9/sys/contrib/x86emu/ (props changed)
Modified: stable/9/sys/dev/usb/serial/usb_serial.c
==============================================================================
--- stable/9/sys/dev/usb/serial/usb_serial.c Wed Oct 12 15:34:25 2011
(r226305)
+++ stable/9/sys/dev/usb/serial/usb_serial.c Wed Oct 12 15:43:22 2011
(r226306)
@@ -289,6 +289,9 @@ ucom_detach(struct ucom_super_softc *ssc
{
uint32_t subunit;
+ if (ssc->sc_subunits == 0)
+ return; /* not initialized */
+
usb_proc_drain(&ssc->sc_tq);
for (subunit = 0; subunit < ssc->sc_subunits; subunit++) {
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
