diff options
Diffstat (limited to 'arch/mips/kernel/scall64-n32.S')
| -rw-r--r-- | arch/mips/kernel/scall64-n32.S | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index a3d66137731a..4da3fafaa313 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S | |||
| @@ -65,8 +65,9 @@ NESTED(handle_sysn32, PT_SIZE, sp) | |||
| 65 | sd t0, PT_R7(sp) # set error flag | 65 | sd t0, PT_R7(sp) # set error flag |
| 66 | beqz t0, 1f | 66 | beqz t0, 1f |
| 67 | 67 | ||
| 68 | ld t1, PT_R2(sp) # syscall number | ||
| 68 | dnegu v0 # error | 69 | dnegu v0 # error |
| 69 | sd v0, PT_R0(sp) # set flag for syscall restarting | 70 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 70 | 1: sd v0, PT_R2(sp) # result | 71 | 1: sd v0, PT_R2(sp) # result |
| 71 | 72 | ||
| 72 | local_irq_disable # make sure need_resched and | 73 | local_irq_disable # make sure need_resched and |
| @@ -106,8 +107,9 @@ n32_syscall_trace_entry: | |||
| 106 | sd t0, PT_R7(sp) # set error flag | 107 | sd t0, PT_R7(sp) # set error flag |
| 107 | beqz t0, 1f | 108 | beqz t0, 1f |
| 108 | 109 | ||
| 110 | ld t1, PT_R2(sp) # syscall number | ||
| 109 | dnegu v0 # error | 111 | dnegu v0 # error |
| 110 | sd v0, PT_R0(sp) # set flag for syscall restarting | 112 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 111 | 1: sd v0, PT_R2(sp) # result | 113 | 1: sd v0, PT_R2(sp) # result |
| 112 | 114 | ||
| 113 | j syscall_exit | 115 | j syscall_exit |