diff options
Diffstat (limited to 'arch/mips/kernel/scall64-o32.S')
| -rw-r--r-- | arch/mips/kernel/scall64-o32.S | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 171979fc98e5..78d768a3e19d 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S | |||
| @@ -93,8 +93,9 @@ NESTED(handle_sys, PT_SIZE, sp) | |||
| 93 | sd t0, PT_R7(sp) # set error flag | 93 | sd t0, PT_R7(sp) # set error flag |
| 94 | beqz t0, 1f | 94 | beqz t0, 1f |
| 95 | 95 | ||
| 96 | ld t1, PT_R2(sp) # syscall number | ||
| 96 | dnegu v0 # error | 97 | dnegu v0 # error |
| 97 | sd v0, PT_R0(sp) # flag for syscall restarting | 98 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 98 | 1: sd v0, PT_R2(sp) # result | 99 | 1: sd v0, PT_R2(sp) # result |
| 99 | 100 | ||
| 100 | o32_syscall_exit: | 101 | o32_syscall_exit: |
| @@ -142,8 +143,9 @@ trace_a_syscall: | |||
| 142 | sd t0, PT_R7(sp) # set error flag | 143 | sd t0, PT_R7(sp) # set error flag |
| 143 | beqz t0, 1f | 144 | beqz t0, 1f |
| 144 | 145 | ||
| 146 | ld t1, PT_R2(sp) # syscall number | ||
| 145 | dnegu v0 # error | 147 | dnegu v0 # error |
| 146 | sd v0, PT_R0(sp) # set flag for syscall restarting | 148 | sd t1, PT_R0(sp) # save it for syscall restarting |
| 147 | 1: sd v0, PT_R2(sp) # result | 149 | 1: sd v0, PT_R2(sp) # result |
| 148 | 150 | ||
| 149 | j syscall_exit | 151 | j syscall_exit |
| @@ -154,8 +156,7 @@ trace_a_syscall: | |||
| 154 | * The stackpointer for a call with more than 4 arguments is bad. | 156 | * The stackpointer for a call with more than 4 arguments is bad. |
| 155 | */ | 157 | */ |
| 156 | bad_stack: | 158 | bad_stack: |
| 157 | dnegu v0 # error | 159 | li v0, EFAULT |
| 158 | sd v0, PT_R0(sp) | ||
| 159 | sd v0, PT_R2(sp) | 160 | sd v0, PT_R2(sp) |
| 160 | li t0, 1 # set error flag | 161 | li t0, 1 # set error flag |
| 161 | sd t0, PT_R7(sp) | 162 | sd t0, PT_R7(sp) |
| @@ -444,10 +445,10 @@ sys_call_table: | |||
| 444 | PTR compat_sys_futex | 445 | PTR compat_sys_futex |
| 445 | PTR compat_sys_sched_setaffinity | 446 | PTR compat_sys_sched_setaffinity |
| 446 | PTR compat_sys_sched_getaffinity /* 4240 */ | 447 | PTR compat_sys_sched_getaffinity /* 4240 */ |
| 447 | PTR sys_io_setup | 448 | PTR compat_sys_io_setup |
| 448 | PTR sys_io_destroy | 449 | PTR sys_io_destroy |
| 449 | PTR sys_io_getevents | 450 | PTR compat_sys_io_getevents |
| 450 | PTR sys_io_submit | 451 | PTR compat_sys_io_submit |
| 451 | PTR sys_io_cancel /* 4245 */ | 452 | PTR sys_io_cancel /* 4245 */ |
| 452 | PTR sys_exit_group | 453 | PTR sys_exit_group |
| 453 | PTR sys32_lookup_dcookie | 454 | PTR sys32_lookup_dcookie |