From: Julia Lawall <[EMAIL PROTECTED]> pci_get_bus_and_slot does a pci_dev_get, so pci_dev_put needs to be called in an error case.
The problem was fixed using the following semantic patch. (http://www.emn.fr/x-info/coccinelle/) // <smpl> @exists@ type T1,T2; identifier E; statement S,S1; expression x1,x2,x3; expression test; int ret != 0; @@ struct pci_dev *E; ... ( E = \(pci_get_slot\|pci_get_device\|pci_get_bus_and_slot\)(...); if (E == NULL) S | if ((E = \(pci_get_slot\|pci_get_device\|pci_get_bus_and_slot\)(...)) == NULL) S ) ... when != pci_dev_put(...,(T1)E,...) when != if (E != NULL) { ... pci_dev_put(...,(T1)E,...); ...} when != x1 = (T1)E when != E = x3; when any ( if (E == NULL) S1 | if (test) + { ( + pci_dev_put(E); return; | + pci_dev_put(E); return ret; ) + } | if (test) { ... when != pci_dev_put(...,(T2)E,...) when != if (E != NULL) { ... pci_dev_put(...,(T2)E,...); ...} when != x2 = (T2)E ( + pci_dev_put(E); return; | + pci_dev_put(E); return ret; ) } ) // </smpl> Signed-off-by: Julia Lawall <[EMAIL PROTECTED]> --- diff -u -p a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c --- a/drivers/macintosh/via-pmu.c 2007-12-21 06:57:19.000000000 +0100 +++ b/drivers/macintosh/via-pmu.c 2008-01-04 14:00:03.000000000 +0100 @@ -2142,6 +2142,7 @@ static int powerbook_sleep_grackle(void) ret = pmac_suspend_devices(); if (ret) { printk(KERN_ERR "Sleep rejected by devices\n"); + pci_dev_put(grackle); return ret; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
