Re: Make checkpatch warn about pointless casting of kalloc returns.

[jschopp]

> +# check for pointless casting of kmalloc return
> +		if ($rawline =~ /\*\)[ ]k[czm]alloc/) {

It looks to me like this will catch

foo = (char *) kmalloc(512);

but not

for = (char* )kmalloc(512);

I haven't tried it but how about something like:

if($rawline =~/\(.*\)\s*k[czm]alloc/){

which if I got it right should match the typecast with any combination of spacing.

> +			WARN("No need to cast return value.\n");

Could the warning be more descriptive?  This describes what, but it should also describe 
why; after all if somebody made this error they may not know they why.
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