multipath: Check return value for get_inq()
multipath: Check return value for get_inq()

Check the return value of get_inq() to correctly handle devices
with unconnected LUNs.

References: 419123
Signed-off-by: Hannes Reinecke <b0d1e9e4a4e27620745ff49be9000da3174a4cc6@suse.de>

vijaychauhan/multipath-tools,unakatsuo/multipath-tools,gebi/multipath-tools,grzn/multipath-tools-explained,unakatsuo/multipath-tools,unakatsuo/multipath-tools,vijaychauhan/multipath-tools,grzn/multipath-tools-explained