If devm_request_irq() fails inside adf_request_irqs(), unwind properly by
freeing the allocated irqs.
Signed-off-by: Wojciech Ziemba <wojciech.ziemba@xxxxxxxxx>
Co-developed-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx>
---
drivers/crypto/qat/qat_common/adf_isr.c | 63 +++++++++++++------------
1 file changed, 34 insertions(+), 29 deletions(-)
diff --git a/drivers/crypto/qat/qat_common/adf_isr.c b/drivers/crypto/qat/qat_common/adf_isr.c
index 861a9368b9db..c55a9f14b0d2 100644
--- a/drivers/crypto/qat/qat_common/adf_isr.c
+++ b/drivers/crypto/qat/qat_common/adf_isr.c
@@ -126,6 +126,31 @@ static irqreturn_t adf_msix_isr_ae(int irq, void *dev_ptr)
return IRQ_NONE;
}
+static void adf_free_irqs(struct adf_accel_dev *accel_dev)
+{
+ struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev;
+ struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+ struct adf_irq *irqs = pci_dev_info->msix_entries.irqs;
+ struct adf_etr_data *etr_data = accel_dev->transport;
+ int clust_irq = hw_data->num_banks;
+ int irq, i = 0;
+
+ if (pci_dev_info->msix_entries.num_entries > 1) {
+ for (i = 0; i < hw_data->num_banks; i++) {
+ if (irqs[i].enabled) {
+ irq = pci_irq_vector(pci_dev_info->pci_dev, i);
+ irq_set_affinity_hint(irq, NULL);
+ free_irq(irq, &etr_data->banks[i]);
+ }
+ }
+ }
+
+ if (irqs[i].enabled) {
+ irq = pci_irq_vector(pci_dev_info->pci_dev, clust_irq);
+ free_irq(irq, accel_dev);
+ }
+}
+
static int adf_request_irqs(struct adf_accel_dev *accel_dev)
{
struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev;
@@ -150,7 +175,8 @@ static int adf_request_irqs(struct adf_accel_dev *accel_dev)
dev_err(&GET_DEV(accel_dev),
"Failed to get IRQ number of device vector %d - %s\n",
i, name);
- return irq;
+ ret = irq;
+ goto err;
}
ret = request_irq(irq, adf_msix_isr_bundle, 0,
&name[0], bank);
@@ -158,7 +184,7 @@ static int adf_request_irqs(struct adf_accel_dev *accel_dev)
dev_err(&GET_DEV(accel_dev),
"Failed to allocate IRQ %d for %s\n",
irq, name);
- return ret;
+ goto err;
}
cpu = ((accel_dev->accel_id * hw_data->num_banks) +
@@ -177,41 +203,20 @@ static int adf_request_irqs(struct adf_accel_dev *accel_dev)
dev_err(&GET_DEV(accel_dev),
"Failed to get IRQ number of device vector %d - %s\n",
i, name);
- return irq;
+ ret = irq;
+ goto err;
}
ret = request_irq(irq, adf_msix_isr_ae, 0, &name[0], accel_dev);
if (ret) {
dev_err(&GET_DEV(accel_dev),
"Failed to allocate IRQ %d for %s\n", irq, name);
- return ret;
+ goto err;
}
irqs[i].enabled = true;
return ret;
-}
-
-static void adf_free_irqs(struct adf_accel_dev *accel_dev)
-{
- struct adf_accel_pci *pci_dev_info = &accel_dev->accel_pci_dev;
- struct adf_hw_device_data *hw_data = accel_dev->hw_device;
- struct adf_irq *irqs = pci_dev_info->msix_entries.irqs;
- struct adf_etr_data *etr_data = accel_dev->transport;
- int clust_irq = hw_data->num_banks;
- int irq, i = 0;
-
- if (pci_dev_info->msix_entries.num_entries > 1) {
- for (i = 0; i < hw_data->num_banks; i++) {
- if (irqs[i].enabled) {
- irq = pci_irq_vector(pci_dev_info->pci_dev, i);
- irq_set_affinity_hint(irq, NULL);
- free_irq(irq, &etr_data->banks[i]);
- }
- }
- }
-
- if (irqs[i].enabled) {
- irq = pci_irq_vector(pci_dev_info->pci_dev, clust_irq);
- free_irq(irq, accel_dev);
- }
+err:
+ adf_free_irqs(accel_dev);
+ return ret;
}
static int adf_isr_alloc_msix_vectors_data(struct adf_accel_dev *accel_dev)
--
2.29.2
--------------------------------------------------------------
Intel Research and Development Ireland Limited
Registered in Ireland
Registered Office: Collinstown Industrial Park, Leixlip, County Kildare
Registered Number: 308263
This e-mail and any attachments may contain confidential material for the sole
use of the intended recipient(s). Any review or distribution by others is
strictly prohibited. If you are not the intended recipient, please contact the
sender and delete all copies.
