Re: [Xen-devel] [PATCH for-4.6] libxl: fix libxl__build_hvm error code return path

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Tue, 2015-08-11 at 14:48 +0100, Wei Liu wrote:
> In 25652f23 ("tools/libxl: detect and avoid conflicts with RDM"), new
> code was added to use rc to store libxl function call return value,
> which complied to libxl coding style. That patch, however, didn't change
> other locations where return value was stored in ret. In the end
> libxl__build_hvm could return 0 when it failed.
> 
> Explicitly set rc to ERROR_FAIL in all error paths to fix this.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

You missed the path from libxl__domain_firmware, which incorrectly relies
on rc being already initialised by the declaration (which per CODING_STYLE
ought to be removed too).

However perhaps you prefer to leave those other two hunks until 4.7 and
this patch is at least an improvement of sorts so:

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>


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