* [PATCH] hgafb: fix probe function
@ 2021-05-17 8:50 Dan Carpenter
2021-05-21 12:54 ` Greg Kroah-Hartman
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2021-05-17 8:50 UTC (permalink / raw)
To: Ferenc Bakonyi, Igor Matheus Andrade Torrente
Cc: Greg Kroah-Hartman, linux-nvidia, dri-devel, linux-fbdev,
kernel-janitors
There is a reversed if statement in this probe function so the driver is
completely broken.
Fixes: dc13cac4862c ("video: hgafb: fix potential NULL pointer dereference")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/video/fbdev/hgafb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/hgafb.c b/drivers/video/fbdev/hgafb.c
index cc8e62ae93f6..bd3d07aa4f0e 100644
--- a/drivers/video/fbdev/hgafb.c
+++ b/drivers/video/fbdev/hgafb.c
@@ -558,7 +558,7 @@ static int hgafb_probe(struct platform_device *pdev)
int ret;
ret = hga_card_detect();
- if (!ret)
+ if (ret)
return ret;
printk(KERN_INFO "hgafb: %s with %ldK of memory detected.\n",
--
2.30.2
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] hgafb: fix probe function
2021-05-17 8:50 [PATCH] hgafb: fix probe function Dan Carpenter
@ 2021-05-21 12:54 ` Greg Kroah-Hartman
0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2021-05-21 12:54 UTC (permalink / raw)
To: Dan Carpenter
Cc: Ferenc Bakonyi, Igor Matheus Andrade Torrente, linux-nvidia,
dri-devel, linux-fbdev, kernel-janitors
On Mon, May 17, 2021 at 11:50:32AM +0300, Dan Carpenter wrote:
> There is a reversed if statement in this probe function so the driver is
> completely broken.
>
> Fixes: dc13cac4862c ("video: hgafb: fix potential NULL pointer dereference")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> drivers/video/fbdev/hgafb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/hgafb.c b/drivers/video/fbdev/hgafb.c
> index cc8e62ae93f6..bd3d07aa4f0e 100644
> --- a/drivers/video/fbdev/hgafb.c
> +++ b/drivers/video/fbdev/hgafb.c
> @@ -558,7 +558,7 @@ static int hgafb_probe(struct platform_device *pdev)
> int ret;
>
> ret = hga_card_detect();
> - if (!ret)
> + if (ret)
> return ret;
>
> printk(KERN_INFO "hgafb: %s with %ldK of memory detected.\n",
> --
> 2.30.2
>
Someone _just_ beat you to this:
https://lore.kernel.org/r/20210516192714.25823-1-mail@anirudhrb.com
I'll add your s-o-b to that one as it's identical to yours.
thanks,
greg k-h
^ permalink raw reply [flat|nested] 2+ messages in thread
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