mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-12 13:55:32 +00:00
Code Issues Releases Wiki Activity

x86_64 ia32 ptrace: use compat_ptrace_request for siginfo

Browse source 
This removes the special-case handling for PTRACE_GETSIGINFO
and PTRACE_SETSIGINFO from x86_64's sys32_ptrace.  The generic
compat_ptrace_request code handles these.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Roland McGrath 2008-04-22 12:20:20 -07:00 committed by Ingo Molnar
parent 55928e37b2
commit cdb6990479
1 changed files with 1 additions and 29 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
arch/x86/kernel/ptrace.c
View file

@ -1207,32 +1207,6 @@ static int genregs32_set(struct task_struct *target,
return ret;
}
static long ptrace32_siginfo(unsigned request, u32 pid, u32 addr, u32 data)
{
siginfo_t __user *si = compat_alloc_user_space(sizeof(siginfo_t));
compat_siginfo_t __user *si32 = compat_ptr(data);
siginfo_t ssi;
int ret;
if (request == PTRACE_SETSIGINFO) {
memset(&ssi, 0, sizeof(siginfo_t));
ret = copy_siginfo_from_user32(&ssi, si32);
if (ret)
return ret;
if (copy_to_user(si, &ssi, sizeof(siginfo_t)))
return -EFAULT;
}
ret = sys_ptrace(request, pid, addr, (unsigned long)si);
if (ret)
return ret;
if (request == PTRACE_GETSIGINFO) {
if (copy_from_user(&ssi, si, sizeof(siginfo_t)))
return -EFAULT;
ret = copy_siginfo_to_user32(si32, &ssi);
}
return ret;
}
asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
{
struct task_struct *child;
@ -1280,11 +1254,9 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
case PTRACE_SETFPXREGS:
case PTRACE_GETFPXREGS:
case PTRACE_GETEVENTMSG:
break;
case PTRACE_SETSIGINFO:
case PTRACE_GETSIGINFO:
return ptrace32_siginfo(request, pid, addr, data);
break;
}
child = ptrace_get_task_struct(pid);