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92953ae99f
5e8cd86f90da ath10k-ct: Backport ap-vlan code from 5.2 to 4.20 and 4.19 drivers. 0c518586bd7f ath10k-ct: Fix a few warning splats. Adds AP VLAN. Refreshed all patches. Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
67 lines
2.4 KiB
Diff
67 lines
2.4 KiB
Diff
From: Sriram R <srirrama@codeaurora.org>
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Date: Wed, 3 Oct 2018 08:43:50 +0530
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Subject: [PATCH] ath10k: fix possible out of bound access of ath10k_rates array
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While using 'ath10k_mac_get_rate_hw_value()' to obtain the hw value
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from the passed bitrate, there is a chance of out of bound array access
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when wrong bitrate is passed. This is fixed by comparing the bitrates
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within the correct size of the ath10k_rates array.
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Fixes commit f279294e9ee2 ("ath10k: add support for configuring management
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packet rate"). Also correction made to some indents used in the above commit.
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Signed-off-by: Sriram R <srirrama@codeaurora.org>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Origin: backport, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34e141eea7dd8525dd1ef7a925459e455b4d307f
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---
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--- a/ath10k-4.19/mac.c
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+++ b/ath10k-4.19/mac.c
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@@ -165,7 +165,7 @@ static int ath10k_mac_get_rate_hw_value(
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if (ath10k_mac_bitrate_is_cck(bitrate))
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hw_value_prefix = WMI_RATE_PREAMBLE_CCK << 6;
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- for (i = 0; i < sizeof(ath10k_rates); i++) {
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+ for (i = 0; i < ARRAY_SIZE(ath10k_rates); i++) {
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if (ath10k_rates[i].bitrate == bitrate)
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return hw_value_prefix | ath10k_rates[i].hw_value;
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}
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@@ -6636,22 +6636,22 @@ static void ath10k_bss_info_changed(stru
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return;
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}
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- sband = ar->hw->wiphy->bands[def.chan->band];
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- basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
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- bitrate = sband->bitrates[basic_rate_idx].bitrate;
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-
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- hw_rate_code = ath10k_mac_get_rate_hw_value(bitrate);
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- if (hw_rate_code < 0) {
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- ath10k_warn(ar, "bitrate not supported %d\n", bitrate);
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- mutex_unlock(&ar->conf_mutex);
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- return;
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- }
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+ sband = ar->hw->wiphy->bands[def.chan->band];
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+ basic_rate_idx = ffs(vif->bss_conf.basic_rates) - 1;
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+ bitrate = sband->bitrates[basic_rate_idx].bitrate;
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+
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+ hw_rate_code = ath10k_mac_get_rate_hw_value(bitrate);
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+ if (hw_rate_code < 0) {
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+ ath10k_warn(ar, "bitrate not supported %d\n", bitrate);
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+ mutex_unlock(&ar->conf_mutex);
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+ return;
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+ }
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- vdev_param = ar->wmi.vdev_param->mgmt_rate;
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- ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
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- hw_rate_code);
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- if (ret)
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- ath10k_warn(ar, "failed to set mgmt tx rate %d\n", ret);
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+ vdev_param = ar->wmi.vdev_param->mgmt_rate;
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+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
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+ hw_rate_code);
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+ if (ret)
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+ ath10k_warn(ar, "failed to set mgmt tx rate %d\n", ret);
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}
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mutex_unlock(&ar->conf_mutex);
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