Re: [PATCH] wireless: iwlwifi3945/4965 - fix incorrect counting of memory

From: Tomas Winkler
Date: Sat Jan 26 2008 - 15:15:01 EST


On Jan 26, 2008 6:09 PM, Cyrill Gorcunov <gorcunov@xxxxxxxxx> wrote:
> This patch does fix incorrect counting of memory allocated by kmalloc.
> It seems that could lead to allocated memory overrun and corrupt
> nearlaid memory area.
>
> Signed-off-by: Cyrill Gorcunov <gorcunov@xxxxxxxxx>
>
> ---
>
> iwl3945-base.c | 2 +-
> iwl4965-base.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> Index: linux-2.6.git/drivers/net/wireless/iwlwifi/iwl3945-base.c
> ===================================================================
> --- linux-2.6.git.orig/drivers/net/wireless/iwlwifi/iwl3945-base.c 2008-01-24 18:26:11.000000000 +0300
> +++ linux-2.6.git/drivers/net/wireless/iwlwifi/iwl3945-base.c 2008-01-26 18:45:03.000000000 +0300
> @@ -6631,7 +6631,7 @@ static void iwl_bg_request_scan(struct w
> * that based on the direct_mask added to each channel entry */
> scan->tx_cmd.len = cpu_to_le16(
> iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data,
> - IWL_MAX_SCAN_SIZE - sizeof(scan), 0));
> + IWL_MAX_SCAN_SIZE - sizeof(*scan), 0));
> scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
> scan->tx_cmd.sta_id = priv->hw_setting.bcast_sta_id;
> scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
>
> Index: linux-2.6.git/drivers/net/wireless/iwlwifi/iwl4965-base.c
> ===================================================================
> --- linux-2.6.git.orig/drivers/net/wireless/iwlwifi/iwl4965-base.c 2008-01-26 18:45:38.000000000 +0300
> +++ linux-2.6.git/drivers/net/wireless/iwlwifi/iwl4965-base.c 2008-01-26 18:46:06.000000000 +0300
> @@ -6992,7 +6992,7 @@ static void iwl_bg_request_scan(struct w
> * that based on the direct_mask added to each channel entry */
> scan->tx_cmd.len = cpu_to_le16(
> iwl_fill_probe_req(priv, (struct ieee80211_mgmt *)scan->data,
> - IWL_MAX_SCAN_SIZE - sizeof(scan), 0));
> + IWL_MAX_SCAN_SIZE - sizeof(*scan), 0));
> scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
> scan->tx_cmd.sta_id = priv->hw_setting.bcast_sta_id;
> scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
> -
> To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>

Thanks.

ACK
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/