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-rw-r--r--arch/mips/kernel/scall32-o32.S7
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 759f680..d0916a5 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.
@@ -627,7 +624,7 @@ einval: li v0, -ENOSYS
sys sys_pselect6 6
sys sys_ppoll 5
sys sys_unshare 1
- sys sys_splice 4
+ sys sys_splice 6
sys sys_sync_file_range 7 /* 4305 */
sys sys_tee 4
sys sys_vmsplice 4
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