svn commit: r282385 - head/sys/dev/wpi

[Adrian Chadd]

Author: adrian
Date: Sun May  3 23:08:25 2015
New Revision: 282385
URL: https://svnweb.freebsd.org/changeset/base/282385

Log:
  Check channels which are passed in IBSS mode.
  
  PR:		kern/197143
  Submitted by:	 Andriy Voskoboinyk <s3erios at gmail.com>

Modified:
  head/sys/dev/wpi/if_wpi.c

Modified: head/sys/dev/wpi/if_wpi.c
==============================================================================
--- head/sys/dev/wpi/if_wpi.c	Sun May  3 23:06:19 2015	(r282384)
+++ head/sys/dev/wpi/if_wpi.c	Sun May  3 23:08:25 2015	(r282385)
@@ -3775,6 +3775,14 @@ wpi_config(struct wpi_softc *sc)
 	sc->rxon.cck_mask  = 0x0f;	/* not yet negotiated */
 	sc->rxon.ofdm_mask = 0xff;	/* not yet negotiated */
 
+	/* XXX Current configuration may be unusable. */
+	if (IEEE80211_IS_CHAN_NOADHOC(c) && sc->rxon.mode == WPI_MODE_IBSS) {
+		device_printf(sc->sc_dev,
+		    "%s: invalid channel (%d) selected for IBSS mode\n",
+		    __func__, ieee80211_chan2ieee(ic, c));
+		return EINVAL;
+	}
+
 	if ((error = wpi_send_rxon(sc, 0, 0)) != 0) {
 		device_printf(sc->sc_dev, "%s: could not send RXON\n",
 		    __func__);