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Diffstat (limited to 'arch/mips/kernel/scall64-o32.S')
-rw-r--r--arch/mips/kernel/scall64-o32.S16
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 6c7ef8313ebd..fefef4af8595 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 */