scsi: hisi_sas: Fix spin lock management in slot_index_alloc_quirk_v2_hw()

[linux.git] / drivers / scsi / hisi_sas / hisi_sas_v2_hw.c

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index 70d6b28f390a8f4fe6fa4d32c5c28f6923c4ee9d..cc36b6473e986b3191f88160ac41f24f730999d6 100644 (file)
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -806,8 +806,10 @@ slot_index_alloc_quirk_v2_hw(struct hisi_hba *hisi_hba,
        while (1) {
                start = find_next_zero_bit(bitmap,
                                        hisi_hba->slot_index_count, start);
-               if (start >= end)
+               if (start >= end) {
+                       spin_unlock_irqrestore(&hisi_hba->lock, flags);
                        return -SAS_QUEUE_FULL;
+               }
                /*
                  * SAS IPTT bit0 should be 1, and SATA IPTT bit0 should be 0.
                  */