diff options
Diffstat (limited to 'arch/mips/kernel/scall64-o32.S')
| -rw-r--r-- | arch/mips/kernel/scall64-o32.S | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 6c7ef8313eb..fefef4af859 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 @@ -198,7 +196,7 @@ LEAF(sys32_syscall) jr t2 /* Unreached */ -einval: li v0, -EINVAL +einval: li v0, -ENOSYS jr ra END(sys32_syscall) @@ -512,7 +510,7 @@ sys_call_table: PTR sys_splice PTR sys32_sync_file_range /* 4305 */ PTR sys_tee - PTR sys_vmsplice + PTR compat_sys_vmsplice PTR compat_sys_move_pages PTR compat_sys_set_robust_list PTR compat_sys_get_robust_list /* 4310 */ |