Merge branch 'timers/hpet' into timers/core

[linux-2.6-omap-h63xx.git] / arch / parisc / kernel / ptrace.c

diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 90904f9dfc504fb1e0337abb196b1617006ce514..927db3668b6ffd6bec55e8a1b90d099f5cd7a1dc 100644 (file)
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -183,10 +183,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
  * being 64 bit in both cases.
  */
 
-static long translate_usr_offset(long offset)
+static compat_ulong_t translate_usr_offset(compat_ulong_t offset)
 {
        if (offset < 0)
-               return -1;
+               return sizeof(struct pt_regs);
        else if (offset <= 32*4)        /* gr[0..31] */
                return offset * 2 + 4;
        else if (offset <= 32*4+32*8)   /* gr[0..31] + fr[0..31] */
@@ -194,7 +194,7 @@ static long translate_usr_offset(long offset)
        else if (offset < sizeof(struct pt_regs)/2 + 32*4)
                return offset * 2 + 4 - 32*8;
        else
-               return -1;
+               return sizeof(struct pt_regs);
 }
 
 long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
@@ -209,7 +209,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
                if (addr & (sizeof(compat_uint_t)-1))
                        break;
                addr = translate_usr_offset(addr);
-               if (addr < 0)
+               if (addr >= sizeof(struct pt_regs))
                        break;
 
                tmp = *(compat_uint_t *) ((char *) task_regs(child) + addr);
@@ -236,7 +236,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
                        if (addr & (sizeof(compat_uint_t)-1))
                                break;
                        addr = translate_usr_offset(addr);
-                       if (addr < 0)
+                       if (addr >= sizeof(struct pt_regs))
                                break;
                        if (addr >= PT_FR0 && addr <= PT_FR31 + 4) {
                                /* Special case, fp regs are 64 bits anyway */