[PATCH 5.1 091/405] scsi: qla2xxx: Fix a qla24xx_enable_msix() error path

From: Greg Kroah-Hartman
Date: Thu May 30 2019 - 00:57:10 EST


[ Upstream commit 24afabdbd0b3553963a2bbf465895492b14d1107 ]

Make sure that the allocated interrupts are freed if allocating memory for
the msix_entries array fails.

Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Cc: Giridhar Malavali <gmalavali@xxxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Acked-by: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_isr.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 69bbea9239cc8..add17843148dd 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3475,7 +3475,7 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
ql_log(ql_log_fatal, vha, 0x00c8,
"Failed to allocate memory for ha->msix_entries.\n");
ret = -ENOMEM;
- goto msix_out;
+ goto free_irqs;
}
ha->flags.msix_enabled = 1;

@@ -3558,6 +3558,10 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)

msix_out:
return ret;
+
+free_irqs:
+ pci_free_irq_vectors(ha->pdev);
+ goto msix_out;
}

int
--
2.20.1