diff options
Diffstat (limited to 'arch/mips/kernel/ptrace32.c')
| -rw-r--r-- | arch/mips/kernel/ptrace32.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/arch/mips/kernel/ptrace32.c b/arch/mips/kernel/ptrace32.c index 0c82b25d8c6..0d5cf97af72 100644 --- a/arch/mips/kernel/ptrace32.c +++ b/arch/mips/kernel/ptrace32.c @@ -88,7 +88,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) ret = -EIO; if (copied != sizeof(tmp)) break; - ret = put_user(tmp, (unsigned int *) (unsigned long) data); + ret = put_user(tmp, (unsigned int __user *) (unsigned long) data); break; } @@ -174,8 +174,10 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) case FPC_EIR: { /* implementation / version register */ unsigned int flags; - if (!cpu_has_fpu) + if (!cpu_has_fpu) { + tmp = 0; break; + } preempt_disable(); if (cpu_has_mipsmt) { @@ -194,15 +196,18 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) preempt_enable(); break; } - case DSP_BASE ... DSP_BASE + 5: + case DSP_BASE ... DSP_BASE + 5: { + dspreg_t *dregs; + if (!cpu_has_dsp) { tmp = 0; ret = -EIO; goto out_tsk; } - dspreg_t *dregs = __get_dsp_regs(child); + dregs = __get_dsp_regs(child); tmp = (unsigned long) (dregs[addr - DSP_BASE]); break; + } case DSP_CONTROL: if (!cpu_has_dsp) { tmp = 0; @@ -216,7 +221,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) ret = -EIO; goto out_tsk; } - ret = put_user(tmp, (unsigned *) (unsigned long) data); + ret = put_user(tmp, (unsigned __user *) (unsigned long) data); break; } @@ -304,15 +309,18 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data) else child->thread.fpu.soft.fcr31 = data; break; - case DSP_BASE ... DSP_BASE + 5: + case DSP_BASE ... DSP_BASE + 5: { + dspreg_t *dregs; + if (!cpu_has_dsp) { ret = -EIO; break; } - dspreg_t *dregs = __get_dsp_regs(child); + dregs = __get_dsp_regs(child); dregs[addr - DSP_BASE] = data; break; + } case DSP_CONTROL: if (!cpu_has_dsp) { ret = -EIO; |