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authorXiang Chen <chenxiang66@hisilicon.com>2019-08-05 21:48:08 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2019-08-07 22:13:15 -0400
commite16963f378faf82d307cad2796953f198497c614 (patch)
tree78b34aa5d8444b6fb455928163db714b68caf9dc /drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
parent5f6c32d7ce576e9275ab2e9b21192f5cd5f24273 (diff)
scsi: hisi_sas: Drop free_irq() when devm_request_irq() failed
It will free irq automatically if devm_request_irq() failed, so drop free_irq() if devm_request_irq() failed. Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> 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/hisi_sas_v3_hw.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v3_hw.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 95a298d4e211..3cc53e5b92f2 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -2351,8 +2351,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
{
struct device *dev = hisi_hba->dev;
struct pci_dev *pdev = hisi_hba->pci_dev;
- int vectors, rc;
- int i, k;
+ int vectors, rc, i;
int max_msi = HISI_SAS_MSI_COUNT_V3_HW, min_msi;
if (auto_affine_msi_experimental) {
@@ -2400,7 +2399,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
if (rc) {
dev_err(dev, "could not request chnl interrupt, rc=%d\n", rc);
rc = -ENOENT;
- goto free_phy_irq;
+ goto free_irq_vectors;
}
rc = devm_request_irq(dev, pci_irq_vector(pdev, 11),
@@ -2409,7 +2408,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
if (rc) {
dev_err(dev, "could not request fatal interrupt, rc=%d\n", rc);
rc = -ENOENT;
- goto free_chnl_interrupt;
+ goto free_irq_vectors;
}
/* Init tasklets for cq only */
@@ -2426,7 +2425,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
dev_err(dev, "could not request cq%d interrupt, rc=%d\n",
i, rc);
rc = -ENOENT;
- goto free_cq_irqs;
+ goto free_irq_vectors;
}
tasklet_init(t, cq_tasklet_v3_hw, (unsigned long)cq);
@@ -2434,18 +2433,6 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
return 0;
-free_cq_irqs:
- for (k = 0; k < i; k++) {
- struct hisi_sas_cq *cq = &hisi_hba->cq[k];
- int nr = hisi_sas_intr_conv ? 16 : 16 + k;
-
- free_irq(pci_irq_vector(pdev, nr), cq);
- }
- free_irq(pci_irq_vector(pdev, 11), hisi_hba);
-free_chnl_interrupt:
- free_irq(pci_irq_vector(pdev, 2), hisi_hba);
-free_phy_irq:
- free_irq(pci_irq_vector(pdev, 1), hisi_hba);
free_irq_vectors:
pci_free_irq_vectors(pdev);
return rc;