Re: [PATCH -mm] sys_semctl gcc 4.1 warning fix

[Adrian Bunk <bunk@stusta.de>]

On Wed, May 10, 2006 at 01:45:58PM -0400, Steven Rostedt wrote:
> 
> Oh fsck! gcc is hosed. I just tried out this BS module:
>...
> And this is what I got!
> 
>   CC [M]  /home/rostedt/c/modules/warning.o
> /home/rostedt/c/modules/warning.c: In function 'warn_here':
> /home/rostedt/c/modules/warning.c:14: warning: 'x' is used uninitialized in this function
>   Building modules, stage 2.
> 
> 
> Why the fsck isn't the func but_not_here not getting a warning for the
> first use of printk??  If I remove the if statement it gives me the
> warning.  Hell, that if statement isn't even entered (g = 0).
>...

I can't reproduce this, gcc 4.1 gives me:

  CC [M]  init/test.o
init/test.c: In function 'warn_here':
init/test.c:14: warning: 'x' is used uninitialized in this function
init/test.c: In function 'but_not_here':
init/test.c:23: warning: 'y' is used uninitialized in this function

> -- Steve

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed