1 files changed, 5 insertions, 4 deletions

diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
index 749dd1bfe60f..710d5fb807e1 100644
--- a/arch/um/sys-i386/syscalls.c
+++ b/arch/um/sys-i386/syscalls.c
@@ -99,11 +99,12 @@ long sys_ipc (uint call, int first, int second,
 
         switch (call) {
         case SEMOP:
-                return sys_semtimedop(first, (struct sembuf *) ptr, second,
-                                      NULL);
+                return sys_semtimedop(first, (struct sembuf __user *) ptr,
+                                      second, NULL);
         case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf *) ptr, second,
-                                      (const struct timespec *) fifth);
+                return sys_semtimedop(first, (struct sembuf __user *) ptr,
+                                      second,
+                                      (const struct timespec __user *) fifth);
         case SEMGET:
                 return sys_semget (first, second, third);
         case SEMCTL: {