2 files changed, 6 insertions, 11 deletions

diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 759f68066b5d..34a4dbd76f24 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -262,14 +262,11 @@ bad_alignment:
         LEAF(sys_syscall)
         subu    t0, a0, __NR_O32_Linux  # check syscall number
         sltiu   v0, t0, __NR_O32_Linux_syscalls + 1
+        beqz    t0, einval              # do not recurse
         sll     t1, t0, 3
         beqz    v0, einval
-
         lw      t2, sys_call_table(t1)          # syscall routine
 
-        li      v1, 4000 - __NR_O32_Linux       # index of sys_syscall
-        beq     t0, v1, einval                  # do not recurse
-
         /* Some syscalls like execve get their arguments from struct pt_regs
            and claim zero arguments in the syscall table. Thus we have to
            assume the worst case and shuffle around all potential arguments.
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 6c7ef8313ebd..facb41a76d1b 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -174,14 +174,12 @@ not_o32_scall:
         END(handle_sys)
 
 LEAF(sys32_syscall)
-        sltu    v0, a0, __NR_O32_Linux + __NR_O32_Linux_syscalls + 1
+        subu    t0, a0, __NR_O32_Linux  # check syscall number
+        sltiu   v0, t0, __NR_O32_Linux_syscalls + 1
+        beqz    t0, einval              # do not recurse
+        dsll    t1, t0, 3
         beqz    v0, einval
-
-        dsll    v0, a0, 3
-        ld      t2, (sys_call_table - (__NR_O32_Linux * 8))(v0)
-
-        li      v1, 4000                # indirect syscall number
-        beq     a0, v1, einval          # do not recurse
+        ld      t2, sys_call_table(t1)          # syscall routine
 
         move    a0, a1                  # shift argument registers
         move    a1, a2