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authorAl Viro <viro@zeniv.linux.org.uk>2017-05-14 19:52:01 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-05-21 13:10:51 -0400
commit7e95a225901a5d2fd140f14b4302805cecc22da7 (patch)
tree58a2fe751d56838c2f907f830f0f6745b3228876 /kernel/compat.c
parenta8c39544a6eb2093c04afd5005b6192bd0e880c6 (diff)
downloadlinux-7e95a225901a5d2fd140f14b4302805cecc22da7.tar.gz
move compat wait4 and waitid next to native variants
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'kernel/compat.c')
-rw-r--r--kernel/compat.c66
1 files changed, 0 insertions, 66 deletions
diff --git a/kernel/compat.c b/kernel/compat.c
index 933bcb31ae10..b4cdba6bbd02 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -543,72 +543,6 @@ int put_compat_rusage(const struct rusage *r, struct compat_rusage __user *ru)
 	return 0;
 }
 
-COMPAT_SYSCALL_DEFINE4(wait4,
-	compat_pid_t, pid,
-	compat_uint_t __user *, stat_addr,
-	int, options,
-	struct compat_rusage __user *, ru)
-{
-	if (!ru) {
-		return sys_wait4(pid, stat_addr, options, NULL);
-	} else {
-		struct rusage r;
-		int ret;
-		unsigned int status;
-		mm_segment_t old_fs = get_fs();
-
-		set_fs (KERNEL_DS);
-		ret = sys_wait4(pid,
-				(stat_addr ?
-				 (unsigned int __user *) &status : NULL),
-				options, (struct rusage __user *) &r);
-		set_fs (old_fs);
-
-		if (ret > 0) {
-			if (put_compat_rusage(&r, ru))
-				return -EFAULT;
-			if (stat_addr && put_user(status, stat_addr))
-				return -EFAULT;
-		}
-		return ret;
-	}
-}
-
-COMPAT_SYSCALL_DEFINE5(waitid,
-		int, which, compat_pid_t, pid,
-		struct compat_siginfo __user *, uinfo, int, options,
-		struct compat_rusage __user *, uru)
-{
-	siginfo_t info;
-	struct rusage ru;
-	long ret;
-	mm_segment_t old_fs = get_fs();
-
-	memset(&info, 0, sizeof(info));
-
-	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) {
-		/* sys_waitid() overwrites everything in ru */
-		if (COMPAT_USE_64BIT_TIME)
-			ret = copy_to_user(uru, &ru, sizeof(ru));
-		else
-			ret = put_compat_rusage(&ru, uru);
-		if (ret)
-			return -EFAULT;
-	}
-
-	BUG_ON(info.si_code & __SI_MASK);
-	info.si_code |= __SI_CHLD;
-	return copy_siginfo_to_user32(uinfo, &info);
-}
-
 static int compat_get_user_cpu_mask(compat_ulong_t __user *user_mask_ptr,
 				    unsigned len, struct cpumask *new_mask)
 {