The return value of dma_map_single() should be checked by
dma_mapping_error(). Update the check accordingly.
Fixes: ec89146215d1 ("qla2xxx: Add bsg interface to support D_Port Diagnostics.")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
---
drivers/scsi/qla2xxx/qla_mbx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 0cd6f3e14882..13b6cb1b93ac 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2147,7 +2147,7 @@ qla24xx_get_port_database(scsi_qla_host_t *vha, u16 nport_handle,
pdb_dma = dma_map_single(&vha->hw->pdev->dev, pdb,
sizeof(*pdb), DMA_FROM_DEVICE);
- if (!pdb_dma) {
+ if (dma_mapping_error(&vha->hw->pdev->dev, pdb_dma)) {
ql_log(ql_log_warn, vha, 0x1116, "Failed to map dma buffer.\n");
return QLA_MEMORY_ALLOC_FAILED;
}
--
2.25.1