1 files changed, 4 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/syscalls.S b/arch/sparc64/kernel/syscalls.S
index db19ed67acf..a2f24270ed8 100644
--- a/arch/sparc64/kernel/syscalls.S
+++ b/arch/sparc64/kernel/syscalls.S
@@ -162,6 +162,8 @@ linux_syscall_trace32:
         add     %sp, PTREGS_OFF, %o0
         call    syscall_trace
          clr    %o1
+        brnz,pn %o0, 3f
+         mov    -ENOSYS, %o0
         srl     %i0, 0, %o0
         srl     %i4, 0, %o4
         srl     %i1, 0, %o1
@@ -173,6 +175,8 @@ linux_syscall_trace:
         add     %sp, PTREGS_OFF, %o0
         call    syscall_trace
          clr    %o1
+        brnz,pn %o0, 3f
+         mov    -ENOSYS, %o0
         mov     %i0, %o0
         mov     %i1, %o1
         mov     %i2, %o2