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

Adrian Bunk
2006-05-10T20:23:59Z

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