diff mbox

[02/10] brcmfmac: Fix possible dereference of NULL pointer.

Message ID 1419162233-19492-3-git-send-email-arend@broadcom.com (mailing list archive)
State Superseded
Delegated to: Kalle Valo
Headers show

Commit Message

Arend van Spriel Dec. 21, 2014, 11:43 a.m. UTC
From: Hante Meuleman <meuleman@broadcom.com>

With the introduction of WOWL for SDIO a possible dereference of a
NULL pointer got introduced. Found by static checker.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
---
 drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Arend van Spriel Dec. 23, 2014, 5:07 p.m. UTC | #1
On 12/21/14 12:43, Arend van Spriel wrote:
> From: Hante Meuleman<meuleman@broadcom.com>
>
> With the introduction of WOWL for SDIO a possible dereference of a
> NULL pointer got introduced. Found by static checker.

Kalle,

Can you drop this patch and take the one from Mika instead with 
Message-ID: 
1419346112-173303-1-git-send-email-mika.westerberg@linux.intel.com [1]

Regards,
Arend

[1] 
http://mid.gmane.org/1419346112-173303-1-git-send-email-mika.westerberg@linux.intel.com

> Reported-by: Dan Carpenter<dan.carpenter@oracle.com>
> Reviewed-by: Arend Van Spriel<arend@broadcom.com>
> Reviewed-by: Pieter-Paul Giesberts<pieterpg@broadcom.com>
> Signed-off-by: Hante Meuleman<meuleman@broadcom.com>
> Signed-off-by: Arend van Spriel<arend@broadcom.com>
> ---
>   drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
> index 3c06e93..9583dcd 100644
> --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
> +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
> @@ -1070,7 +1070,7 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func,
>   	 */
>   	if ((sdio_get_host_pm_caps(sdiodev->func[1])&  MMC_PM_KEEP_POWER)&&
>   	((sdio_get_host_pm_caps(sdiodev->func[1])&  MMC_PM_WAKE_SDIO_IRQ) ||
> -	     (sdiodev->pdata->oob_irq_supported)))
> +	     ((sdiodev->pdata)&&  (sdiodev->pdata->oob_irq_supported))))
>   		bus_if->wowl_supported = true;
>   #endif
>

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diff mbox

Patch

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index 3c06e93..9583dcd 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -1070,7 +1070,7 @@  static int brcmf_ops_sdio_probe(struct sdio_func *func,
 	 */
 	if ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_KEEP_POWER) &&
 	    ((sdio_get_host_pm_caps(sdiodev->func[1]) & MMC_PM_WAKE_SDIO_IRQ) ||
-	     (sdiodev->pdata->oob_irq_supported)))
+	     ((sdiodev->pdata) && (sdiodev->pdata->oob_irq_supported))))
 		bus_if->wowl_supported = true;
 #endif