diff options
| author | John Garry <john.garry@huawei.com> | 2018-10-16 18:00:36 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-10-17 00:50:49 +0300 |
| commit | fe5fb42de36227c1c2dbb1e7403329ec8a915c20 (patch) | |
| tree | 30ea9037a07d1a7f104ae610804f69337814aee8 /drivers/scsi/hisi_sas | |
| parent | abaf75dd610ccfe1d085cb17061ac8862aabd2ea (diff) | |
| download | linux-fe5fb42de36227c1c2dbb1e7403329ec8a915c20.tar.xz | |
scsi: hisi_sas: Fix spin lock management in slot_index_alloc_quirk_v2_hw()
Currently a spin_unlock_irqrestore() call is missing on the error path,
so add it.
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hisi_sas')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 70d6b28f390a..cc36b6473e98 100644 --- 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. */ |