Index: sys/amd64/linux/linux_machdep.c
===================================================================
--- sys/amd64/linux/linux_machdep.c
+++ sys/amd64/linux/linux_machdep.c
@@ -503,11 +503,12 @@
 		    args->pid, (void *)args->status, args->options,
 		    (void *)args->rusage);
 #endif
+	if (args->options & ~(LINUX_WUNTRACED | LINUX_WNOHANG |
+	    LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL))
+		return (EINVAL);
 
-	options = (args->options & (WNOHANG | WUNTRACED));
-	/* WLINUXCLONE should be equal to __WCLONE, but we make sure */
-	if (args->options & __WCLONE)
-		options |= WLINUXCLONE;
+	options = WEXITED;
+	linux_to_bsd_waitopts(args->options, &options);
 
 	if (args->rusage != NULL)
 		rup = &ru;
Index: sys/amd64/linux32/linux32_machdep.c
===================================================================
--- sys/amd64/linux32/linux32_machdep.c
+++ sys/amd64/linux32/linux32_machdep.c
@@ -1029,11 +1029,12 @@
 		    args->pid, (void *)args->status, args->options,
 		    (void *)args->rusage);
 #endif
+	if (args->options & ~(LINUX_WUNTRACED | LINUX_WNOHANG |
+	    LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL))
+		return (EINVAL);
 
-	options = (args->options & (WNOHANG | WUNTRACED));
-	/* WLINUXCLONE should be equal to __WCLONE, but we make sure */
-	if (args->options & __WCLONE)
-		options |= WLINUXCLONE;
+	options = WEXITED;
+	linux_to_bsd_waitopts(args->options, &options);
 
 	if (args->rusage != NULL)
 		rup = &ru;
Index: sys/compat/linux/linux_misc.c
===================================================================
--- sys/compat/linux/linux_misc.c
+++ sys/compat/linux/linux_misc.c
@@ -891,17 +891,12 @@
 		printf(ARGS(waitpid, "%d, %p, %d"),
 		    args->pid, (void *)args->status, args->options);
 #endif
-	/*
-	 * this is necessary because the test in kern_wait doesn't work
-	 * because we mess with the options here
-	 */
-	if (args->options & ~(WUNTRACED | WNOHANG | WCONTINUED | __WCLONE))
+	if (args->options & ~(LINUX_WUNTRACED | LINUX_WNOHANG |
+	    LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL))
 		return (EINVAL);
-   
-	options = (args->options & (WNOHANG | WUNTRACED));
-	/* WLINUXCLONE should be equal to __WCLONE, but we make sure */
-	if (args->options & __WCLONE)
-		options |= WLINUXCLONE;
+
+	options = WEXITED;
+	linux_to_bsd_waitopts(args->options, &options);
 
 	return (linux_common_wait(td, args->pid, args->status, options, NULL));
 }
Index: sys/i386/linux/linux_machdep.c
===================================================================
--- sys/i386/linux/linux_machdep.c
+++ sys/i386/linux/linux_machdep.c
@@ -1051,11 +1051,12 @@
 		    args->pid, (void *)args->status, args->options,
 		    (void *)args->rusage);
 #endif
+	if (args->options & ~(LINUX_WUNTRACED | LINUX_WNOHANG |
+	    LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL))
+		return (EINVAL);
 
-	options = (args->options & (WNOHANG | WUNTRACED));
-	/* WLINUXCLONE should be equal to __WCLONE, but we make sure */
-	if (args->options & __WCLONE)
-		options |= WLINUXCLONE;
+	options = WEXITED;
+	linux_to_bsd_waitopts(args->options, &options);
 
 	if (args->rusage != NULL)
 		rup = &ru;