From: Christophe JAILLET christophe.jaillet@wanadoo.fr
[ 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@linux.intel.com Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Signed-off-by: Alexander Shishkin alexander.shishkin@linux.intel.com Link: https://lore.kernel.org/r/20220705082637.59979-2-alexander.shishkin@linux.in... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 817cdb29bbd8..d032c4de9ce6 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)