tree 216268a82543f9340e07ff9e6be09d6770d1ca23
parent cf99dc30bcc56c33243b5bbfef9d8ea943dd2e1c
author Pan Bian <bianpan2016@163.com> 1502200530 +0800
committer Martin K. Petersen <martin.petersen@oracle.com> 1502409335 -0400

scsi: qla2xxx: use dma_mapping_error to check map errors

The return value of dma_map_single() should be checked by
dma_mapping_error(). However, in function qla26xx_dport_diagnostics(), its
return value is checked against NULL, which could result in failures.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>