[PATCH] video/fbdev/stifb: Delete an error message for a failed memory allocation in stifb_init_fb()

[PATCH] video/fbdev/stifb: Delete an error message for a failed memory allocation in stifb_init_fb()

[SF Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Fri, 24 Nov 2017 22:22:06 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/video/fbdev/stifb.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 6ded5c198998..fe217a2f7d21 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -1126,10 +1126,8 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
 	int bpp, xres, yres;
 
 	fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
-	if (!fb) {
-		printk(KERN_ERR "stifb: Could not allocate stifb structure\n");
+	if (!fb)
 		return -ENODEV;
-	}
 	
 	info = &fb->info;
 
-- 
2.15.0

Re: [PATCH] video/fbdev/stifb: Delete an error message for a failed memory allocation in stifb_init_fb()

[Rolf Eike Beer]

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Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Fri, 24 Nov 2017 22:22:06 +0100
> 
> Omit an extra message for a memory allocation failure in this function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> ---
>  drivers/video/fbdev/stifb.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
> index 6ded5c198998..fe217a2f7d21 100644
> --- a/drivers/video/fbdev/stifb.c
> +++ b/drivers/video/fbdev/stifb.c
> @@ -1126,10 +1126,8 @@ static int __init stifb_init_fb(struct sti_struct
> *sti, int bpp_pref) int bpp, xres, yres;
> 
>  	fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
> -	if (!fb) {
> -		printk(KERN_ERR "stifb: Could not allocate stifb structure\n");
> +	if (!fb)
>  		return -ENODEV;
> -	}
> 
>  	info = &fb->info;

This should be -ENOMEM.

Eike

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Re: [PATCH] video/fbdev/stifb: Delete an error message for a failed memory allocation in stifb_init_fb()

[Bartlomiej Zolnierkiewicz]

On Friday, November 24, 2017 10:30:34 PM Rolf Eike Beer wrote:
> Markus Elfring wrote:
> > From: Markus Elfring <elfring@users.sourceforge.net>
> > Date: Fri, 24 Nov 2017 22:22:06 +0100
> > 
> > Omit an extra message for a memory allocation failure in this function.
> > 
> > This issue was detected by using the Coccinelle software.
> > 
> > Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
> > ---
> >  drivers/video/fbdev/stifb.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> > 
> > diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
> > index 6ded5c198998..fe217a2f7d21 100644
> > --- a/drivers/video/fbdev/stifb.c
> > +++ b/drivers/video/fbdev/stifb.c
> > @@ -1126,10 +1126,8 @@ static int __init stifb_init_fb(struct sti_struct
> > *sti, int bpp_pref) int bpp, xres, yres;
> > 
> >  	fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
> > -	if (!fb) {
> > -		printk(KERN_ERR "stifb: Could not allocate stifb structure\n");
> > +	if (!fb)
> >  		return -ENODEV;
> > -	}
> > 
> >  	info = &fb->info;
> 
> This should be -ENOMEM.

Markus, please fix this issue first (before doing cleanups).

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

[PATCH v2 0/2] video/fbdev/stifb: Adjustments for stifb_init_fb()

[SF Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 7 Jan 2018 12:45:54 +0100

Two update suggestions were taken into account.

Markus Elfring (2):
  Return -ENOMEM after a failed kzalloc()
  Delete an error message for a failed memory allocation

 drivers/video/fbdev/stifb.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

-- 
2.15.1

[PATCH v2 1/2] video/fbdev/stifb: Return -ENOMEM after a failed kzalloc() in stifb_init_fb()

[SF Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 7 Jan 2018 11:33:59 +0100

Replace an error code for the indication of a memory allocation failure
in this function.

Fixes: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac ("Linux-2.6.12-rc2: Initial git repository build")
Suggested-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/video/fbdev/stifb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 6ded5c198998..511a594889af 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -1128,7 +1128,7 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
 	fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
 	if (!fb) {
 		printk(KERN_ERR "stifb: Could not allocate stifb structure\n");
-		return -ENODEV;
+		return -ENOMEM;
 	}
 	
 	info = &fb->info;
-- 
2.15.1

[PATCH v2 2/2] video/fbdev/stifb: Delete an error message for a failed memory allocation in stifb_init_fb()

[SF Markus Elfring]

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 7 Jan 2018 12:34:22 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---

v2:
This update suggestion was rebased on source files from the software
"Linux next-20180105" together with a change for an error code.

 drivers/video/fbdev/stifb.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/stifb.c b/drivers/video/fbdev/stifb.c
index 511a594889af..dec8efb4f256 100644
--- a/drivers/video/fbdev/stifb.c
+++ b/drivers/video/fbdev/stifb.c
@@ -1126,10 +1126,8 @@ static int __init stifb_init_fb(struct sti_struct *sti, int bpp_pref)
 	int bpp, xres, yres;
 
 	fb = kzalloc(sizeof(*fb), GFP_ATOMIC);
-	if (!fb) {
-		printk(KERN_ERR "stifb: Could not allocate stifb structure\n");
+	if (!fb)
 		return -ENOMEM;
-	}
 	
 	info = &fb->info;
 
-- 
2.15.1

Re: [PATCH v2 1/2] video/fbdev/stifb: Return -ENOMEM after a failed kzalloc() in stifb_init_fb()

[Bartlomiej Zolnierkiewicz]

On Sunday, January 07, 2018 12:56:45 PM SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 7 Jan 2018 11:33:59 +0100
> 
> Replace an error code for the indication of a memory allocation failure
> in this function.
> 
> Fixes: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac ("Linux-2.6.12-rc2: Initial git repository build")
> Suggested-by: Rolf Eike Beer <eike-kernel@sf-tec.de>
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Patch queued for 4.17, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

Re: [PATCH v2 2/2] video/fbdev/stifb: Delete an error message for a failed memory allocation in stifb_init_fb()

[Bartlomiej Zolnierkiewicz]

On Sunday, January 07, 2018 12:58:47 PM SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 7 Jan 2018 12:34:22 +0100
> 
> Omit an extra message for a memory allocation failure in this function.
> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>

Patch queued for 4.17, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics