Re: [PATCH] drivers/video/fbdev:modify 0 to NULL

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HI,Gustavo

On Wed, 17 Mar 2021 20:41:15 -0500
"Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx> wrote:

> On 3/17/21 21:33, ChunyouTang wrote:
> > From: tangchunyou <tangchunyou@xxxxxxxxxx>
> > 
> > modify 0 to NULL,info is a pointer,it should be
> > 
> > compared with NULL,not 0
> > 
> > Signed-off-by: tangchunyou <tangchunyou@xxxxxxxxxx>
> > ---
> >  drivers/video/fbdev/offb.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c
> > index 4501e84..cd1042f 100644
> > --- a/drivers/video/fbdev/offb.c
> > +++ b/drivers/video/fbdev/offb.c
> > @@ -412,7 +412,7 @@ static void __init offb_init_fb(const char
> > *name, 
> >  	info = framebuffer_alloc(sizeof(u32) * 16, NULL);
> >  
> > -	if (info == 0) {
> > +	if (info == NULL) {  
> 
> if (!info) is better.
> 
> --
> Gustavo
> 
> >  		release_mem_region(res_start, res_size);
> >  		return;
> >  	}
> >   

I think "if (info == NULL)" is more intuitive,and there have many
compare likes "if (info == NULL)" in this file.

--
ChunyouTang

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