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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-28 08:00:25 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2013-06-28 08:00:25 +0200 |
| commit | 31881d74b6dd1a6c530cff61248def4f2da38bee (patch) | |
| tree | be62420cf39192074e13b25553d172b9d5e58a33 /arch/powerpc/kernel/ptrace32.c | |
| parent | Input: wacom_i2c - implement hovering capability (diff) | |
| parent | Input: MT - Specify that ABS_MT_SLOT must have a minimum of 0 (diff) | |
| download | linux-31881d74b6dd1a6c530cff61248def4f2da38bee.tar.xz linux-31881d74b6dd1a6c530cff61248def4f2da38bee.zip | |
Merge branch 'for-next' of git://github.com/rydberg/linux into next
Pull in changes from Henrik: "a trivial MT documentation fix".
Diffstat (limited to 'arch/powerpc/kernel/ptrace32.c')
| -rw-r--r-- | arch/powerpc/kernel/ptrace32.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/powerpc/kernel/ptrace32.c b/arch/powerpc/kernel/ptrace32.c index c0244e766834..f51599e941c7 100644 --- a/arch/powerpc/kernel/ptrace32.c +++ b/arch/powerpc/kernel/ptrace32.c @@ -95,7 +95,9 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, CHECK_FULL_REGS(child->thread.regs); if (index < PT_FPR0) { - tmp = ptrace_get_reg(child, index); + ret = ptrace_get_reg(child, index, &tmp); + if (ret) + break; } else { flush_fp_to_thread(child); /* @@ -148,7 +150,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, tmp = ((u64 *)child->thread.fpr) [FPRINDEX_3264(numReg)]; } else { /* register within PT_REGS struct */ - tmp = ptrace_get_reg(child, numReg); + unsigned long tmp2; + ret = ptrace_get_reg(child, numReg, &tmp2); + if (ret) + break; + tmp = tmp2; } reg32bits = ((u32*)&tmp)[part]; ret = put_user(reg32bits, (u32 __user *)data); @@ -232,7 +238,10 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, break; CHECK_FULL_REGS(child->thread.regs); if (numReg < PT_FPR0) { - unsigned long freg = ptrace_get_reg(child, numReg); + unsigned long freg; + ret = ptrace_get_reg(child, numReg, &freg); + if (ret) + break; if (index % 2) freg = (freg & ~0xfffffffful) | (data & 0xfffffffful); else |