Date: Sun, 19 Dec 2010 10:36:06 +0000 (UTC) From: Bernhard Schmidt <bschmidt@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r216557 - head/sys/dev/wpi Message-ID: <201012191036.oBJAa6tw071921@svn.freebsd.org>
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Author: bschmidt Date: Sun Dec 19 10:36:06 2010 New Revision: 216557 URL: http://svn.freebsd.org/changeset/base/216557 Log: Fix panic trying to use monitor mode. The iwn_cmd() calls issued by iwn_config() want to msleep() on the mutex. PR: kern/138427 Submitted by: Henry Hu <henry.hu.sh at gmail.com> MFC after: 3 days Modified: head/sys/dev/wpi/if_wpi.c Modified: head/sys/dev/wpi/if_wpi.c ============================================================================== --- head/sys/dev/wpi/if_wpi.c Sun Dec 19 09:18:14 2010 (r216556) +++ head/sys/dev/wpi/if_wpi.c Sun Dec 19 10:36:06 2010 (r216557) @@ -3561,7 +3561,9 @@ wpi_set_channel(struct ieee80211com *ic) * are already taken care of by their respective firmware commands. */ if (ic->ic_opmode == IEEE80211_M_MONITOR) { + WPI_LOCK(sc); error = wpi_config(sc); + WPI_UNLOCK(sc); if (error != 0) device_printf(sc->sc_dev, "error %d settting channel\n", error);
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