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mips: switch to compat_sys_waitid()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-12-23 15:06:31 -05:00
parent ea536ad4f2
commit 1c37ea8277
2 changed files with 1 additions and 27 deletions
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2
arch/mips/kernel/scall64-o32.S
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@ -470,7 +470,7 @@ sys_call_table:
PTR compat_sys_mq_notify /* 4275 */
PTR compat_sys_mq_getsetattr
PTR sys_ni_syscall /* sys_vserver */
PTR sys_32_waitid
PTR compat_sys_waitid
PTR sys_ni_syscall /* available, was setaltroot */
PTR sys_add_key /* 4280 */
PTR sys_request_key

26
arch/mips/kernel/signal32.c
View File

@ -686,32 +686,6 @@ SYSCALL_DEFINE3(32_rt_sigqueueinfo, int, pid, int, sig,
return ret;
}
SYSCALL_DEFINE5(32_waitid, int, which, compat_pid_t, pid,
compat_siginfo_t __user *, uinfo, int, options,
struct compat_rusage __user *, uru)
{
siginfo_t info;
struct rusage ru;
long ret;
mm_segment_t old_fs = get_fs();
info.si_signo = 0;
set_fs(KERNEL_DS);
ret = sys_waitid(which, pid, (siginfo_t __user *) &info, options,
uru ? (struct rusage __user *) &ru : NULL);
set_fs(old_fs);
if (ret < 0 || info.si_signo == 0)
return ret;
if (uru && (ret = put_compat_rusage(&ru, uru)))
return ret;
BUG_ON(info.si_code & __SI_MASK);
info.si_code |= __SI_CHLD;
return copy_siginfo_to_user32(uinfo, &info);
}
static int signal32_init(void)
{
if (cpu_has_fpu) {