Linux v3.8-rc3-293-g406089d
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Justin M. Forbes
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@ -1518,6 +1518,8 @@ CONFIG_ATH9K_HTC=m
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CONFIG_ATH9K_BTCOEX_SUPPORT=y
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# CONFIG_ATH9K_HTC_DEBUGFS is not set
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CONFIG_ATH9K_RATE_CONTROL=y
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CONFIG_WIL6210=m
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CONFIG_WIL6210_ISR_COR=y
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CONFIG_CARL9170=m
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CONFIG_CARL9170_LEDS=y
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# CONFIG_CARL9170_HWRNG is not set
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17
kernel.spec
17
kernel.spec
@ -62,7 +62,7 @@ Summary: The Linux kernel
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# For non-released -rc kernels, this will be appended after the rcX and
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# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
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#
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%global baserelease 2
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%global baserelease 1
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%global fedora_build %{baserelease}
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# base_sublevel is the kernel version we're starting with and patching
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@ -95,7 +95,7 @@ Summary: The Linux kernel
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# The rc snapshot level
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%define rcrev 3
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# The git snapshot level
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%define gitrev 1
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%define gitrev 2
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# Set rpm version accordingly
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%define rpmversion 3.%{upstream_sublevel}.0
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%endif
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@ -717,7 +717,6 @@ Patch21001: arm-allnoconfig-error-__LINUX_ARM_ARCH__-undeclared.patch
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# OMAP
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# https://patchwork.kernel.org/patch/1721241/
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# https://patchwork.kernel.org/patch/1839401/
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Patch21003: arm-omapdrm-fixinc.patch
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# ARM tegra
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Patch21004: arm-tegra-nvec-kconfig.patch
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@ -737,10 +736,6 @@ Patch22070: irqnr-build.patch
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#rhbz 859485
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Patch21226: vt-Drop-K_OFF-for-VC_MUTE.patch
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#rhbz 883414
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Patch21236: mac80211-fix-ibss-scanning.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -1301,7 +1296,6 @@ ApplyPatch vmbugon-warnon.patch
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#
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ApplyPatch arm-export-read_current_timer.patch
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ApplyPatch arm-allnoconfig-error-__LINUX_ARM_ARCH__-undeclared.patch
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ApplyPatch arm-omapdrm-fixinc.patch
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# ApplyPatch arm-tegra-nvec-kconfig.patch
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ApplyPatch arm-tegra-usb-no-reset-linux33.patch
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@ -1424,10 +1418,6 @@ ApplyPatch irqnr-build.patch
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#rhbz 859485
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ApplyPatch vt-Drop-K_OFF-for-VC_MUTE.patch
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#rhbz 883414
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ApplyPatch mac80211-fix-ibss-scanning.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2296,6 +2286,9 @@ fi
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# ||----w |
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# || ||
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%changelog
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* Tue Jan 15 2013 Justin M. Forbes <jforbes@redhat.com> - 3.8.0-0.rc3.git2.1
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- Linux v3.8-rc3-293-g406089d
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* Tue Jan 15 2013 Josh Boyer <jwboyer@redhat.com>
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- Enable CONFIG_DVB_USB_V2 (rhbz 895460)
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@ -1,132 +0,0 @@
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Do not scan on no-IBSS and disabled channels in IBSS mode. Doing this
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can trigger Microcode errors on iwlwifi and iwlegacy drivers.
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Also rename ieee80211_request_internal_scan() function since it is only
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used in IBSS mode and simplify calling it from ieee80211_sta_find_ibss().
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This patch should address:
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https://bugzilla.redhat.com/show_bug.cgi?id=883414
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https://bugzilla.kernel.org/show_bug.cgi?id=49411
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Reported-by: Jesse Kahtava <jesse_kahtava@f-m.fm>
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Reported-by: Mikko Rapeli <mikko.rapeli@iki.fi>
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Cc: stable@vger.kernel.org
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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---
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net/mac80211/ibss.c | 9 ++++-----
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net/mac80211/ieee80211_i.h | 6 +++---
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net/mac80211/scan.c | 34 ++++++++++++++++++++++++----------
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3 files changed, 31 insertions(+), 18 deletions(-)
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diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
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index c21e33d..d9df6b8 100644
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--- a/net/mac80211/ibss.c
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+++ b/net/mac80211/ibss.c
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@@ -678,8 +678,8 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
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sdata_info(sdata,
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"No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge)\n");
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- ieee80211_request_internal_scan(sdata,
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- ifibss->ssid, ifibss->ssid_len, NULL);
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+ ieee80211_request_ibss_scan(sdata, ifibss->ssid, ifibss->ssid_len,
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+ NULL);
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}
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static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
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@@ -777,9 +777,8 @@ static void ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata)
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IEEE80211_SCAN_INTERVAL)) {
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sdata_info(sdata, "Trigger new scan to find an IBSS to join\n");
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- ieee80211_request_internal_scan(sdata,
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- ifibss->ssid, ifibss->ssid_len,
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- ifibss->fixed_channel ? ifibss->channel : NULL);
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+ ieee80211_request_ibss_scan(sdata, ifibss->ssid,
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+ ifibss->ssid_len, chan);
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} else {
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int interval = IEEE80211_SCAN_INTERVAL;
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diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
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index 156e583..bc48d4d 100644
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--- a/net/mac80211/ieee80211_i.h
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+++ b/net/mac80211/ieee80211_i.h
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@@ -1247,9 +1247,9 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
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/* scan/BSS handling */
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void ieee80211_scan_work(struct work_struct *work);
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-int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
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- const u8 *ssid, u8 ssid_len,
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- struct ieee80211_channel *chan);
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+int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
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+ const u8 *ssid, u8 ssid_len,
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+ struct ieee80211_channel *chan);
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int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
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struct cfg80211_scan_request *req);
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void ieee80211_scan_cancel(struct ieee80211_local *local);
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diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
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index 43e60b5..fab706f 100644
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--- a/net/mac80211/scan.c
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+++ b/net/mac80211/scan.c
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@@ -819,9 +819,9 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata,
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return res;
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}
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-int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
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- const u8 *ssid, u8 ssid_len,
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- struct ieee80211_channel *chan)
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+int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
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+ const u8 *ssid, u8 ssid_len,
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+ struct ieee80211_channel *chan)
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{
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struct ieee80211_local *local = sdata->local;
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int ret = -EBUSY;
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@@ -835,22 +835,36 @@ int ieee80211_request_internal_scan(struct ieee80211_sub_if_data *sdata,
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/* fill internal scan request */
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if (!chan) {
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- int i, nchan = 0;
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+ int i, max_n;
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+ int n_ch = 0;
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for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
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if (!local->hw.wiphy->bands[band])
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continue;
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- for (i = 0;
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- i < local->hw.wiphy->bands[band]->n_channels;
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- i++) {
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- local->int_scan_req->channels[nchan] =
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+
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+ max_n = local->hw.wiphy->bands[band]->n_channels;
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+ for (i = 0; i < max_n; i++) {
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+ struct ieee80211_channel *tmp_ch =
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&local->hw.wiphy->bands[band]->channels[i];
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- nchan++;
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+
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+ if (tmp_ch->flags & (IEEE80211_CHAN_NO_IBSS |
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+ IEEE80211_CHAN_DISABLED))
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+ continue;
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+
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+ local->int_scan_req->channels[n_ch] = tmp_ch;
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+ n_ch++;
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}
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}
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- local->int_scan_req->n_channels = nchan;
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+ if (WARN_ON_ONCE(n_ch == 0))
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+ goto unlock;
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+
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+ local->int_scan_req->n_channels = n_ch;
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} else {
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+ if (WARN_ON_ONCE(chan->flags & (IEEE80211_CHAN_NO_IBSS |
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+ IEEE80211_CHAN_DISABLED)))
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+ goto unlock;
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+
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local->int_scan_req->channels[0] = chan;
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local->int_scan_req->n_channels = 1;
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}
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--
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1.7.1
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--
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