[CRIU] [PATCH] zdtm: fallback to mknod(/dev/ptmx) when CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set

[Pavel Emelyanov]

On 08/27/2014 11:59 AM, Andrew Vagin wrote:
> On Tue, Aug 26, 2014 at 05:30:57PM -0700, Filipe Brandenburger wrote:
>> A kernel without that option configured does not have /dev/pts/ptmx, so
>> fallback to the previous way of creating it using mknod instead.
>>
>> The previous code was trying to bind mount ptmx on top of a symlink, which does
>> not actually work... Keep only the symlink call and use a relative symlink
>> instead. Adjust the error message of the symlink case to mention symlink()
>> instead of mknod() and also /dev/ptmx instead of /dev/pts.
>>
>> Tested:
>> - zdtm test suite runs on ^ns/static/.* before and after the change.
>> - Same on a kernel with CONFIG_DEVPTS_MULTIPLE_INSTANCES unset.
>>
>> Signed-off-by: Filipe Brandenburger <filbranden at google.com>
> 
> Acked-by: Andrew Vagin <avagin at openvz.org>

Applied, thanks