Checking if an uint32_t is less than zero is unnecessary, so we change the parameter and return value to int. Change-Id: I5c08eaf8fd4c33768a366b22f0f5db9575056a1e BUG: 789278 Signed-off-by: linbaiye <linbaiye@gmail.com> Reviewed-on: http://review.gluster.org/3965 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>