From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
[ Upstream commit 086c28ab7c5699256aced0049aae9c42f1410313 ]
If an error occurs after calling 'pci_alloc_irq_vectors()',
'pci_free_irq_vectors()' must be called as already done in the remove
function.
Fixes: 7b7036d47c35 ("intel_th: pci: Use MSI interrupt signalling")
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Signed-off-by: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220705082637.59979-2-alexander.shishkin@xxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/hwtracing/intel_th/pci.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
index a723c8c33087..3910fafc4fc2 100644
--- a/drivers/hwtracing/intel_th/pci.c
+++ b/drivers/hwtracing/intel_th/pci.c
@@ -100,8 +100,10 @@ static int intel_th_pci_probe(struct pci_dev *pdev,
}
th = intel_th_alloc(&pdev->dev, drvdata, resource, r);
- if (IS_ERR(th))
- return PTR_ERR(th);
+ if (IS_ERR(th)) {
+ err = PTR_ERR(th);
+ goto err_free_irq;
+ }
th->activate = intel_th_pci_activate;
th->deactivate = intel_th_pci_deactivate;
@@ -109,6 +111,10 @@ static int intel_th_pci_probe(struct pci_dev *pdev,
pci_set_master(pdev);
return 0;
+
+err_free_irq:
+ pci_free_irq_vectors(pdev);
+ return err;
}
static void intel_th_pci_remove(struct pci_dev *pdev)
--
2.35.1
