Date: Fri, 11 Apr 2008 20:01:15 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 139836 for review Message-ID: <200804112001.m3BK1F96063173@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=139836 Change 139836 by hselasky@hselasky_laptop001 on 2008/04/11 20:00:50 Bugfix: We need to lock the global USB mutex when setting the configuration and alternate setting until further. Affected files ... .. //depot/projects/usb/src/sys/dev/usb/ugen.c#40 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb/ugen.c#40 (text+ko) ==== @@ -1719,7 +1719,9 @@ error = EPERM; break; } + mtx_lock(&usb_global_lock); error = ugen_set_config(sc, *(int *)addr); + mtx_unlock(&usb_global_lock); if (error) { break; } @@ -1740,7 +1742,9 @@ error = EPERM; break; } + mtx_lock(&usb_global_lock); error = ugen_set_interface(sc, ai->uai_interface_index, ai->uai_alt_no); + mtx_unlock(&usb_global_lock); if (error) { break; }
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