On Wed, Apr 20, Paulina Szubarczyk wrote:

> libxl_set_memory_target seems to have the following return values:
> 
> * 1 on failure, if the failure happens because of a xenstore error *or*
> * invalid target
> 
> * -1 if the setmaxmem hypercall
> 
> * -errno if the set_pod_target hypercall target fails
> 
> * 0 on success
> 
> Make it consistently return ERROR_FAIL on failure, unless the
> parameters were invalid, in which case return ERROR_INVAL.
> 
> In accordance with CODING_SYTLE:
> 
> 1. Leave rc uninitialized, and set when an error is detected
> 
> 2. Use 'r' for return values to functions whose return values are a
> different error space (like xc_domain_setmaxmem and
> xc_domain_set_pod_target)
> 
> 3. Use 'lrc' for return values to local functions libxl__*
> where a failure means retry, rather than fail the whole function
> (libxl__fill_dom0_memory_info), to reduce the risk of that.
> 
> Signed-off-by: George Dunlap <george.dun...@eu.citrix.com>
> Signed-off-by: Paulina Szubarczyk <paulinaszubarc...@gmail.com>

Reviewed-by: Olaf Hering <o...@aepfle.de>

Olaf

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