First of all don't snprintf into a char buffer allocated on the stack with
a constant hubname.

Then cleanup to exit the function early in case of a ratelimit or SRIOV.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>