Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 patches from Martin Schwidefsky:
 "Included are bug fixes and a patch to enable system call filtering
  with BPF."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/compat: fix mmap compat system calls
  s390/compat: fix compat wrappers for process_vm system calls
  s390: do not clobber personality flags in sys_32_personality()
  s390/seccomp: add support for system call filtering using BPF
  s390/sclp_sdias: Add missing break and "fall through"
  s390/mm: remove MAX_PHYSADDR_BITS define

1 files changed, 5 insertions, 4 deletions

diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index b4a29eee41b8..d0964d22adb5 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -81,11 +81,12 @@ SYSCALL_DEFINE1(s390_personality, unsigned int, personality)
 {
         unsigned int ret;
 
-        if (current->personality == PER_LINUX32 && personality == PER_LINUX)
-                personality = PER_LINUX32;
+        if (personality(current->personality) == PER_LINUX32 &&
+            personality(personality) == PER_LINUX)
+                personality |= PER_LINUX32;
         ret = sys_personality(personality);
-        if (ret == PER_LINUX32)
-                ret = PER_LINUX;
+        if (personality(ret) == PER_LINUX32)
+                ret &= ~PER_LINUX32;
 
         return ret;
 }