Treat all possible mprotect() failures as fatal.

diff --git a/regress/sys/uvm/wx_syscall/wx_syscall.c b/regress/sys/uvm/wx_syscall/wx_syscall.c
index c067ac8..b272f2c 100644 (file)
--- a/regress/sys/uvm/wx_syscall/wx_syscall.c
+++ b/regress/sys/uvm/wx_syscall/wx_syscall.c
@@ -1,10 +1,12 @@
 #include <sys/types.h>
 #include <sys/mman.h>
+
+#include <err.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
-#include <unistd.h>
 #include <stdlib.h>
-#include <errno.h>
+#include <unistd.h>
 
 int
 main()
@@ -13,11 +15,15 @@ main()
        int psz = getpagesize();
 
        printf("%llx\n", (long long)flock);
-       if (mprotect((void *)(o & ~(psz-1)), psz,
-           PROT_EXEC|PROT_WRITE|PROT_READ) == -1 &&
-           errno == ENOTSUP) {
-               printf("mprotect -> ENOTSUP?  Please run from wxallowed filesystem\n");
-               exit(0);
+       if (mprotect((void *)(o & ~(psz - 1)), psz,
+           PROT_EXEC|PROT_WRITE|PROT_READ) == -1) {
+               if (errno == ENOTSUP) {
+                       printf("mprotect -> ENOTSUP?  Please run from "
+                           "wxallowed filesystem\n");
+                       exit(0);
+               } else {
+                       err(1, "mprotect");
+               }
        }
        flock(0, 0);