qla4xxx: fix get_host_stats error propagation
qla4xxx: fix get_host_stats error propagation

qla4xxx was not always returning -EXYZ error codes when
qla4xxx_get_host_stats failed.

Signed-off-by: Mike Christie <6fe105eefab41990d7ec714c6c25ade3095cdb48@cs.wisc.edu>
Acked-by: Vikas Chaudhary <c251871a64d7d31888eace0406cb3d4c419d5f73@qlogic.com>
Reviewed-by: Hannes Reinecke <b0d1e9e4a4e27620745ff49be9000da3174a4cc6@suse.de>
Signed-off-by: Christoph Hellwig <923f7720577207a44b32e59bbfbea59d27f1ae8e@lst.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs