selftests: cgroup: fix unsigned comparison with less than zero

'size' is unsigned, it never less than zero.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 6c26df84e1f2 ("selftests: cgroup: return -errno from cg_read()/cg_write() on failure")
Signed-off-by: YueHaibing <[email protected]>
Reviewed-by: Yosry Ahmed <[email protected]>
Acked-by: Roman Gushchin <[email protected]>
Reviewed-by: Kamalesh Babulal <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Shakeel Butt <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: zefan li <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions