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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2022-07-05 10:26:32 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-08 15:42:55 +0200
commit086c28ab7c5699256aced0049aae9c42f1410313 (patch)
tree6f2ece46c9c33794d9b06ed2f5808d982d287164 /drivers/hwtracing/intel_th/pci.c
parentvirt: acrn: using for_each_set_bit to simplify the code (diff)
downloadlinux-086c28ab7c5699256aced0049aae9c42f1410313.tar.xz
linux-086c28ab7c5699256aced0049aae9c42f1410313.zip
intel_th: Fix a resource leak in an error handling path
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.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hwtracing/intel_th/pci.c')
-rw-r--r--drivers/hwtracing/intel_th/pci.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
index 7da4f298ed01..fcd0aca75007 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)