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authorMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-05-19 23:01:26 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2020-05-19 23:37:01 +0200
commit2ae782ca839e0ee07de37122ddea362adff2e975 (patch)
treedf6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/net/wireless/marvell/libertas/cfg.c
parent0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff)
parent0661b3d6cfd774e28a2e2ba90a3d87479e5c399b (diff)
Merge tag 'v4.9.220' into 4.9-2.3.x-imx
This is the 4.9.220 stable release Conflicts: arch/arm/Kconfig.debug arch/arm/boot/dts/imx7s.dtsi arch/arm/mach-imx/common.h arch/arm/mach-imx/cpuidle-imx6q.c arch/arm/mach-imx/cpuidle-imx6sx.c arch/arm/mach-imx/suspend-imx6.S block/blk-core.c drivers/crypto/caam/caamalg.c drivers/crypto/mxs-dcp.c drivers/dma/imx-sdma.c drivers/gpu/drm/bridge/adv7511/adv7511_drv.c drivers/input/keyboard/imx_keypad.c drivers/input/keyboard/snvs_pwrkey.c drivers/mmc/host/sdhci.c drivers/net/can/flexcan.c drivers/net/ethernet/freescale/fec_main.c drivers/net/phy/phy_device.c drivers/net/wireless/ath/ath10k/pci.c drivers/tty/serial/imx.c drivers/usb/dwc3/gadget.c drivers/usb/host/xhci.c include/linux/blkdev.h include/linux/cpu.h include/linux/platform_data/dma-imx-sdma.h kernel/cpu.c net/wireless/util.c sound/soc/fsl/Kconfig sound/soc/fsl/fsl_esai.c sound/soc/fsl/fsl_sai.c sound/soc/fsl/imx-sgtl5000.c
Diffstat (limited to 'drivers/net/wireless/marvell/libertas/cfg.c')
-rw-r--r--drivers/net/wireless/marvell/libertas/cfg.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c
index 7ff2efadceca..ece6d72cf90c 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.c
+++ b/drivers/net/wireless/marvell/libertas/cfg.c
@@ -272,6 +272,10 @@ add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
int hw, ap, ap_max = ie[1];
u8 hw_rate;
+ if (ap_max > MAX_RATES) {
+ lbs_deb_assoc("invalid rates\n");
+ return tlv;
+ }
/* Advance past IE header */
ie += 2;
@@ -1789,6 +1793,9 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
struct cmd_ds_802_11_ad_hoc_join cmd;
u8 preamble = RADIO_PREAMBLE_SHORT;
int ret = 0;
+ int hw, i;
+ u8 rates_max;
+ u8 *rates;
lbs_deb_enter(LBS_DEB_CFG80211);
@@ -1849,9 +1856,14 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
if (!rates_eid) {
lbs_add_rates(cmd.bss.rates);
} else {
- int hw, i;
- u8 rates_max = rates_eid[1];
- u8 *rates = cmd.bss.rates;
+ rates_max = rates_eid[1];
+ if (rates_max > MAX_RATES) {
+ lbs_deb_join("invalid rates");
+ rcu_read_unlock();
+ ret = -EINVAL;
+ goto out;
+ }
+ rates = cmd.bss.rates;
for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
u8 hw_rate = lbs_rates[hw].bitrate / 5;
for (i = 0; i < rates_max; i++) {