Staging: cpc-usb: fix build warnings

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

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index c9242301cfa1425c3f16a659117c8516aa43f294..ca4d208ddf3ba52fec7574c12a53db5bd6964b95 100644 (file)
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5031,7 +5031,6 @@ int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active)
 {
        int nr_done = 0;
        u32 done_mask;
-       int i;
 
        done_mask = ap->qc_active ^ qc_active;
 
@@ -5041,16 +5040,16 @@ int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active)
                return -EINVAL;
        }
 
-       for (i = 0; i < ATA_MAX_QUEUE; i++) {
+       while (done_mask) {
                struct ata_queued_cmd *qc;
+               unsigned int tag = __ffs(done_mask);
 
-               if (!(done_mask & (1 << i)))
-                       continue;
-
-               if ((qc = ata_qc_from_tag(ap, i))) {
+               qc = ata_qc_from_tag(ap, tag);
+               if (qc) {
                        ata_qc_complete(qc);
                        nr_done++;
                }
+               done_mask &= ~(1 << tag);
        }
 
        return nr_done;