evie/android_kernel_oneplus_msm8998
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cw1200: Fix OOPS in monitor mode

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In monitor mode, priv->vif is NULL, but at one point in the receive path we
blindly attempt to dereference it.  Add a test to prevent this.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Solomon Peachy 2013-07-19 23:31:27 -04:00 • committed by John W. Linville
parent 4928bd2ef8
commit 16ec75b5de
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/cw1200/txrx.c
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@ -1165,7 +1165,7 @@ void cw1200_rx_cb(struct cw1200_common *priv,
if (cw1200_handle_action_rx(priv, skb)) if (cw1200_handle_action_rx(priv, skb))
return; return;
} else if (ieee80211_is_beacon(frame->frame_control) && } else if (ieee80211_is_beacon(frame->frame_control) &&
!arg->status && !arg->status && priv->vif &&
!memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid, !memcmp(ieee80211_get_SA(frame), priv->vif->bss_conf.bssid,
ETH_ALEN)) { ETH_ALEN)) {
const u8 *tim_ie; const u8 *tim_ie;