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* [PATCH] drm/ast: free correct pointer in astfb_create() error paths
@ 2016-09-19  7:13 Andrew Donnellan
  2016-09-20  1:56 ` [PATCH RESEND] " Andrew Donnellan
  0 siblings, 1 reply; 6+ messages in thread
From: Andrew Donnellan @ 2016-09-19  7:13 UTC (permalink / raw)
  To: airlied, dri-devel; +Cc: linux-kernel

In the err_free_vram and err_release_fbi error paths in astfb_create(), we
attempt to free afbdev->sysram. The only jumps to these error paths occur
before we assign afbdev->sysram = sysram. Free sysram instead.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

---

Found by Coverity Scan. Compile tested only.
---
 drivers/gpu/drm/ast/ast_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index c017a93..0fef8ea 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -254,7 +254,7 @@ static int astfb_create(struct drm_fb_helper *helper,
 err_release_fbi:
 	drm_fb_helper_release_fbi(helper);
 err_free_vram:
-	vfree(afbdev->sysram);
+	vfree(sysram);
 	return ret;
 }
 
-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com  IBM Australia Limited

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths
  2016-09-19  7:13 [PATCH] drm/ast: free correct pointer in astfb_create() error paths Andrew Donnellan
@ 2016-09-20  1:56 ` Andrew Donnellan
  2016-09-20  2:54   ` Andrew Donnellan
  0 siblings, 1 reply; 6+ messages in thread
From: Andrew Donnellan @ 2016-09-20  1:56 UTC (permalink / raw)
  To: airlied, dri-devel; +Cc: linux-kernel

In the err_free_vram and err_release_fbi error paths in astfb_create(), we
attempt to free afbdev->sysram. The only jumps to these error paths occur
before we assign afbdev->sysram = sysram. Free sysram instead.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

---

Found by Coverity Scan. Compile tested only.

Resending as it looks like this didn't hit dri-devel.
---
 drivers/gpu/drm/ast/ast_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index c017a93..0fef8ea 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -254,7 +254,7 @@ static int astfb_create(struct drm_fb_helper *helper,
 err_release_fbi:
 	drm_fb_helper_release_fbi(helper);
 err_free_vram:
-	vfree(afbdev->sysram);
+	vfree(sysram);
 	return ret;
 }
 
-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com  IBM Australia Limited

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths
  2016-09-20  1:56 ` [PATCH RESEND] " Andrew Donnellan
@ 2016-09-20  2:54   ` Andrew Donnellan
  0 siblings, 0 replies; 6+ messages in thread
From: Andrew Donnellan @ 2016-09-20  2:54 UTC (permalink / raw)
  To: airlied, dri-devel; +Cc: linux-kernel

On 20/09/16 11:56, Andrew Donnellan wrote:
> In the err_free_vram and err_release_fbi error paths in astfb_create(), we
> attempt to free afbdev->sysram. The only jumps to these error paths occur
> before we assign afbdev->sysram = sysram. Free sysram instead.
>
> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
>
> ---
>
> Found by Coverity Scan. Compile tested only.
>
> Resending as it looks like this didn't hit dri-devel.

It did show up after all :)

-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com  IBM Australia Limited

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths
  2016-11-14  3:03 Andrew Donnellan
@ 2016-11-14  6:46   ` Daniel Vetter
  0 siblings, 0 replies; 6+ messages in thread
From: Daniel Vetter @ 2016-11-14  6:46 UTC (permalink / raw)
  To: Andrew Donnellan; +Cc: airlied, dri-devel, daniel.vetter, linux-kernel

On Mon, Nov 14, 2016 at 02:03:59PM +1100, Andrew Donnellan wrote:
> In the err_free_vram and err_release_fbi error paths in astfb_create(), we
> attempt to free afbdev->sysram. The only jumps to these error paths occur
> before we assign afbdev->sysram = sysram. Free sysram instead.
> 
> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

Applied to drm-misc, thanks.
-Daniel

> 
> ---
> 
> Found by Coverity Scan. Compile tested only.
> ---
>  drivers/gpu/drm/ast/ast_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
> index 7a86e24..d6f5ec6 100644
> --- a/drivers/gpu/drm/ast/ast_fb.c
> +++ b/drivers/gpu/drm/ast/ast_fb.c
> @@ -253,7 +253,7 @@ static int astfb_create(struct drm_fb_helper *helper,
>  err_release_fbi:
>  	drm_fb_helper_release_fbi(helper);
>  err_free_vram:
> -	vfree(afbdev->sysram);
> +	vfree(sysram);
>  	return ret;
>  }
>  
> -- 
> Andrew Donnellan              OzLabs, ADL Canberra
> andrew.donnellan@au1.ibm.com  IBM Australia Limited
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths
@ 2016-11-14  6:46   ` Daniel Vetter
  0 siblings, 0 replies; 6+ messages in thread
From: Daniel Vetter @ 2016-11-14  6:46 UTC (permalink / raw)
  To: Andrew Donnellan; +Cc: daniel.vetter, linux-kernel, dri-devel

On Mon, Nov 14, 2016 at 02:03:59PM +1100, Andrew Donnellan wrote:
> In the err_free_vram and err_release_fbi error paths in astfb_create(), we
> attempt to free afbdev->sysram. The only jumps to these error paths occur
> before we assign afbdev->sysram = sysram. Free sysram instead.
> 
> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

Applied to drm-misc, thanks.
-Daniel

> 
> ---
> 
> Found by Coverity Scan. Compile tested only.
> ---
>  drivers/gpu/drm/ast/ast_fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
> index 7a86e24..d6f5ec6 100644
> --- a/drivers/gpu/drm/ast/ast_fb.c
> +++ b/drivers/gpu/drm/ast/ast_fb.c
> @@ -253,7 +253,7 @@ static int astfb_create(struct drm_fb_helper *helper,
>  err_release_fbi:
>  	drm_fb_helper_release_fbi(helper);
>  err_free_vram:
> -	vfree(afbdev->sysram);
> +	vfree(sysram);
>  	return ret;
>  }
>  
> -- 
> Andrew Donnellan              OzLabs, ADL Canberra
> andrew.donnellan@au1.ibm.com  IBM Australia Limited
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH RESEND] drm/ast: free correct pointer in astfb_create() error paths
@ 2016-11-14  3:03 Andrew Donnellan
  2016-11-14  6:46   ` Daniel Vetter
  0 siblings, 1 reply; 6+ messages in thread
From: Andrew Donnellan @ 2016-11-14  3:03 UTC (permalink / raw)
  To: airlied, dri-devel, daniel.vetter; +Cc: linux-kernel

In the err_free_vram and err_release_fbi error paths in astfb_create(), we
attempt to free afbdev->sysram. The only jumps to these error paths occur
before we assign afbdev->sysram = sysram. Free sysram instead.

Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>

---

Found by Coverity Scan. Compile tested only.
---
 drivers/gpu/drm/ast/ast_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ast/ast_fb.c b/drivers/gpu/drm/ast/ast_fb.c
index 7a86e24..d6f5ec6 100644
--- a/drivers/gpu/drm/ast/ast_fb.c
+++ b/drivers/gpu/drm/ast/ast_fb.c
@@ -253,7 +253,7 @@ static int astfb_create(struct drm_fb_helper *helper,
 err_release_fbi:
 	drm_fb_helper_release_fbi(helper);
 err_free_vram:
-	vfree(afbdev->sysram);
+	vfree(sysram);
 	return ret;
 }
 
-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@au1.ibm.com  IBM Australia Limited

^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2016-11-14  6:46 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-09-19  7:13 [PATCH] drm/ast: free correct pointer in astfb_create() error paths Andrew Donnellan
2016-09-20  1:56 ` [PATCH RESEND] " Andrew Donnellan
2016-09-20  2:54   ` Andrew Donnellan
2016-11-14  3:03 Andrew Donnellan
2016-11-14  6:46 ` Daniel Vetter
2016-11-14  6:46   ` Daniel Vetter

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