Re: 2.6.14 assorted warnings

[Dave Jones <davej@redhat.com>]

On Fri, Oct 28, 2005 at 05:21:19PM +1000, Keith Owens wrote:
 > gcc 4.0.1 on i386, 2.6.14 assorted warnings.
 > 
 > arch/i386/kernel/cpu/transmeta.c: In function 'init_transmeta':
 > arch/i386/kernel/cpu/transmeta.c:11: warning: 'cpu_freq' may be used uninitialized in this function
 > 
 > fs/bio.c: In function 'bio_alloc_bioset':
 > fs/bio.c:167: warning: 'idx' may be used uninitialized in this function

gcc is dumb, it doesn't realise that the variable will be filled by another
function if its passed thus..

	unsigned long foo
	bar(&foo)
	if (foo==1)
		...

With bar() filling in content of foo.
I believe there's at least once instance of this in gcc bugzilla.

		Dave

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