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mwifiex: fix 'Smatch' warnings 

Following three warnings are fixed:

>init.c +256 mwifiex_init_adapter(71)
>warn: variable dereferenced before check 'adapter->sleep_cfm'
>(see line 191)

>sta_rx.c +193 mwifiex_process_sta_rx_packet(75)
>warn: variable dereferenced before check 'priv' (see line 182)

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Yogesh Ashok Powar 2011-11-07 21:41:10 -08:00 committed by John W. Linville
parent 63af63330f
commit 8ed1303321
2 changed files with 9 additions and 7 deletions
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4
drivers/net/wireless/mwifiex/init.c
View File

@ -187,8 +187,6 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
struct mwifiex_opt_sleep_confirm *sleep_cfm_buf = NULL;
skb_put(adapter->sleep_cfm, sizeof(struct mwifiex_opt_sleep_confirm));
sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *)
(adapter->sleep_cfm->data);
adapter->cmd_sent = false;
@ -254,6 +252,8 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
mwifiex_wmm_init(adapter);
if (adapter->sleep_cfm) {
sleep_cfm_buf = (struct mwifiex_opt_sleep_confirm *)
adapter->sleep_cfm->data;
memset(sleep_cfm_buf, 0, adapter->sleep_cfm->len);
sleep_cfm_buf->command =
cpu_to_le16(HostCmd_CMD_802_11_PS_MODE_ENH);

12
drivers/net/wireless/mwifiex/sta_rx.c
View File

@ -126,6 +126,9 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
u16 rx_pkt_type;
struct mwifiex_private *priv = adapter->priv[rx_info->bss_index];
if (!priv)
return -1;
local_rx_pd = (struct rxpd *) (skb->data);
rx_pkt_type = local_rx_pd->rx_pkt_type;
@ -189,12 +192,11 @@ int mwifiex_process_sta_rx_packet(struct mwifiex_adapter *adapter,
(u8) local_rx_pd->rx_pkt_type,
skb);
if (ret || (rx_pkt_type == PKT_TYPE_BAR)) {
if (priv && (ret == -1))
priv->stats.rx_dropped++;
if (ret || (rx_pkt_type == PKT_TYPE_BAR))
dev_kfree_skb_any(skb);
}
if (ret)
priv->stats.rx_dropped++;
return ret;
}