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Code Issues Releases Activity

Fix memory leak of PCI BUS structure in the LinuxKPI.

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MFC after:	1 week
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2019-05-09 10:23:42 +00:00
parent eb6f534241
commit e2eb11e577
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=347387
1 changed files with 7 additions and 6 deletions
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13
sys/compat/linuxkpi/common/src/linux_pci.c
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@ -251,12 +251,10 @@ linux_pci_attach(device_t dev)
if (error)
goto out_dma_init;
if (pdev->bus == NULL) {
pbus = malloc(sizeof(*pbus), M_DEVBUF, M_WAITOK | M_ZERO);
pbus->self = pdev;
pbus->number = pci_get_bus(dev);
pdev->bus = pbus;
}
pbus = malloc(sizeof(*pbus), M_DEVBUF, M_WAITOK | M_ZERO);
pbus->self = pdev;
pbus->number = pci_get_bus(dev);
pdev->bus = pbus;
spin_lock(&pci_lock);
list_add(&pdev->links, &pci_devices);
@ -268,6 +266,7 @@ linux_pci_attach(device_t dev)
return (0);
out_probe:
free(pdev->bus, M_DEVBUF);
linux_pdev_dma_uninit(pdev);
out_dma_init:
spin_lock(&pci_lock);
@ -286,6 +285,8 @@ linux_pci_detach(device_t dev)
pdev = device_get_softc(dev);
pdev->pdrv->remove(pdev);
free(pdev->bus, M_DEVBUF);
linux_pdev_dma_uninit(pdev);
spin_lock(&pci_lock);