From: Sujith Date: Tue, 6 Apr 2010 09:58:15 +0000 (+0530) Subject: ath9k_htc: Fix module unloading issue X-Git-Tag: v2.6.35-rc1~473^2~460^2^2~40 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c503269a0f77e9b2d6de9e8a5f66ace53dde6e04;p=karo-tx-linux.git ath9k_htc: Fix module unloading issue The maximum number of packets in a single buffer in stream mode is 10. The driver currently uses 8 - which caused stack corruption, in the absence of any kind of OOB checking. Fixing this to the correct value of 10 fixes the module unload issue. Signed-off-by: Sujith Tested-by: Ming Lei Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 4528df4a5bdc..69bef1de71ae 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -324,7 +324,7 @@ static struct ath9k_htc_hif hif_usb = { static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, struct sk_buff *skb) { - struct sk_buff *nskb, *skb_pool[8]; + struct sk_buff *nskb, *skb_pool[MAX_PKT_NUM_IN_TRANSFER]; int index = 0, i = 0, chk_idx, len = skb->len; int rx_remain_len = 0, rx_pkt_len = 0; u16 pkt_len, pkt_tag, pool_index = 0; diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.h b/drivers/net/wireless/ath/ath9k/hif_usb.h index ed9708cd4aa0..179cea46a8e7 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.h +++ b/drivers/net/wireless/ath/ath9k/hif_usb.h @@ -34,6 +34,7 @@ #define MAX_RX_URB_NUM 8 #define MAX_RX_BUF_SIZE 16384 +#define MAX_PKT_NUM_IN_TRANSFER 10 #define MAX_REG_OUT_URB_NUM 1 #define MAX_REG_OUT_BUF_NUM 8