libata: make ata_print_id atomic

[firefly-linux-kernel-4.4.55.git] / drivers / ata / libata-scsi.c

diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 1ee00c8b5b0495674c30237f2be672dee81ee928..93dabdcd2cbe3712191f4ae05c0720a1bf42549d 100644 (file)
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -3843,7 +3843,7 @@ int ata_sas_async_port_init(struct ata_port *ap)
        int rc = ap->ops->port_start(ap);
 
        if (!rc) {
-               ap->print_id = ata_print_id++;
+               ap->print_id = atomic_inc_return(&ata_print_id);
                __ata_port_probe(ap);
        }
 
@@ -3867,7 +3867,7 @@ int ata_sas_port_init(struct ata_port *ap)
        int rc = ap->ops->port_start(ap);
 
        if (!rc) {
-               ap->print_id = ata_print_id++;
+               ap->print_id = atomic_inc_return(&ata_print_id);
                rc = ata_port_probe(ap);
        }