Re: [PATCH][2.6.6-rc3] gcc-3.4.0 fixes

[Ihar 'Philips' Filipau]

Mikael Pettersson wrote:
> This patch fixes three warnings from gcc-3.4.0 in 2.6.6-rc3:
> - drivers/char/ftape/: use of cast-as-lvalue
>  		if (get_unaligned((__u32*)ptr)) {
> -			++(__u32*)ptr;
> +			ptr += sizeof(__u32);
>  		} else {

  Can anyone explain what is the problem with this?
  To me it seems pretty ligitimate code - why it was outlawed in gcc 3.4?

  Previous code was agnostic to type of ptr, but you code presume ptr 
being char pointer (to effectively increment by 4 bytes).

  So what all this buzz about?
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