Re: [PATCH] ext4: fix error handling in ext4_fill_super()

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On Mon, Oct 08, 2012 at 02:32:54PM +0200, Lukas Czerner wrote:
> There are some places in ext4_fill_super() where we would not return
> proper error code if something fails. The confusion is caused probably
> due to the fact that we have two "kind-of" return variables 'ret'and
> 'err'.
> 
> 'ret' is used to return error code from ext4_fill_super() where err is
> used to store return values from other functions within ext4_fill_super().
> However some places were missing the obligatory 'ret = err'. We could
> put the assignment where it is missing, but we can have better "future
> proof" solution. Or we could convert the code to use just one, but it
> would require more rewrites.
> 
> This commit fixes the problem by returning value from 'err' variable if
> it is set and 'ret' otherwise in error handling branch of the
> ext4_fill_super(). The reasoning is that 'ret' value is often set to
> default "-EINVAL" or explicit value, where 'err' is used to store
> return value from other functions and should be otherwise zero.
> 
> Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>

Applied, thanks.

						- Ted
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