From: Linas Vepstas Date: Thu, 6 Apr 2006 20:41:41 +0000 (-0500) Subject: [PATCH] powerpc/pseries: bugfix: balance calls to pci_device_put X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b055a9e10fd05c7fdd87904a50c1f413aea10ec4;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [PATCH] powerpc/pseries: bugfix: balance calls to pci_device_put Repeated calls to eeh_remove_device() can result in multiple (and thus unbalanced) calls to pci_dev_put(). Make sure the pci_device_put() is called only once (since there was only one call to the matching pci_device_get()). Signed-off-by: Linas Vepstas Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 780fb27a0099..32eaddfa5470 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -957,8 +957,10 @@ static void eeh_remove_device(struct pci_dev *dev) pci_addr_cache_remove_device(dev); dn = pci_device_to_OF_node(dev); - PCI_DN(dn)->pcidev = NULL; - pci_dev_put (dev); + if (PCI_DN(dn)->pcidev) { + PCI_DN(dn)->pcidev = NULL; + pci_dev_put (dev); + } } void eeh_remove_bus_device(struct pci_dev *dev)