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[4/4] brcmsmac: Initialize power in brcms_c_stf_ss_algo_channel_get()

Message ID 1468884277-18606-5-git-send-email-f.fainelli@gmail.com (mailing list archive)
State Accepted
Commit f823a2aa8f4674c095a5413b9e3ba12d82df06f2
Delegated to: Kalle Valo
Headers show

Commit Message

Florian Fainelli July 18, 2016, 11:24 p.m. UTC
wlc_phy_txpower_get_current() does a logical OR of power->flags, which
presumes that power.flags was initiliazed earlier by the caller,
unfortunately, this is not the case, so make sure we zero out the struct
tx_power before calling into wlc_phy_txpower_get_current().

Reported-by: coverity (CID 146011)
Fixes: 5b435de0d7868 ("net: wireless: add brcm80211 drivers")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Arend van Spriel July 19, 2016, 10:26 a.m. UTC | #1
On 19-7-2016 1:24, Florian Fainelli wrote:
> wlc_phy_txpower_get_current() does a logical OR of power->flags, which
> presumes that power.flags was initiliazed earlier by the caller,
> unfortunately, this is not the case, so make sure we zero out the struct
> tx_power before calling into wlc_phy_txpower_get_current().
> 
> Reported-by: coverity (CID 146011)
> Fixes: 5b435de0d7868 ("net: wireless: add brcm80211 drivers")

Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
> index dd9162722495..0ab865de1491 100644
> --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
> +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
> @@ -87,7 +87,7 @@ void
>  brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc, u16 *ss_algo_channel,
>  			    u16 chanspec)
>  {
> -	struct tx_power power;
> +	struct tx_power power = { };
>  	u8 siso_mcs_id, cdd_mcs_id, stbc_mcs_id;
>  
>  	/* Clear previous settings */
> 
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diff mbox

Patch

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
index dd9162722495..0ab865de1491 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/stf.c
@@ -87,7 +87,7 @@  void
 brcms_c_stf_ss_algo_channel_get(struct brcms_c_info *wlc, u16 *ss_algo_channel,
 			    u16 chanspec)
 {
-	struct tx_power power;
+	struct tx_power power = { };
 	u8 siso_mcs_id, cdd_mcs_id, stbc_mcs_id;
 
 	/* Clear previous settings */