diff options
Diffstat (limited to 'arch/powerpc/kernel')
| -rw-r--r-- | arch/powerpc/kernel/pci_dn.c | 7 | ||||
| -rw-r--r-- | arch/powerpc/kernel/ptrace.c | 15 |
2 files changed, 17 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/pci_dn.c b/arch/powerpc/kernel/pci_dn.c index 2985268..d225d99 100644 --- a/arch/powerpc/kernel/pci_dn.c +++ b/arch/powerpc/kernel/pci_dn.c @@ -176,11 +176,14 @@ static void *is_devfn_node(struct device_node *dn, void *data) */ struct device_node *fetch_dev_dn(struct pci_dev *dev) { - struct device_node *orig_dn = dev->dev.of_node; + struct pci_controller *phb = dev->sysdata; struct device_node *dn; unsigned long searchval = (dev->bus->number << 8) | dev->devfn; - dn = traverse_pci_devices(orig_dn, is_devfn_node, (void *)searchval); + if (WARN_ON(!phb)) + return NULL; + + dn = traverse_pci_devices(phb->dn, is_devfn_node, (void *)searchval); if (dn) dev->dev.of_node = dn; return dn; diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index 9065369..895b082 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -229,12 +229,16 @@ static int gpr_get(struct task_struct *target, const struct user_regset *regset, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) { - int ret; + int i, ret; if (target->thread.regs == NULL) return -EIO; - CHECK_FULL_REGS(target->thread.regs); + if (!FULL_REGS(target->thread.regs)) { + /* We have a partial register set. Fill 14-31 with bogus values */ + for (i = 14; i < 32; i++) + target->thread.regs->gpr[i] = NV_REG_POISON; + } ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, target->thread.regs, @@ -641,11 +645,16 @@ static int gpr32_get(struct task_struct *target, compat_ulong_t *k = kbuf; compat_ulong_t __user *u = ubuf; compat_ulong_t reg; + int i; if (target->thread.regs == NULL) return -EIO; - CHECK_FULL_REGS(target->thread.regs); + if (!FULL_REGS(target->thread.regs)) { + /* We have a partial register set. Fill 14-31 with bogus values */ + for (i = 14; i < 32; i++) + target->thread.regs->gpr[i] = NV_REG_POISON; + } pos /= sizeof(reg); count /= sizeof(reg); |