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-rw-r--r--arch/mips/kernel/scall64-64.S18
1 files changed, 4 insertions, 14 deletions
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 9085838d6ce3..47bfbd416709 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -93,13 +93,15 @@ syscall_trace_entry:
93 li a1, 0 93 li a1, 0
94 jal do_syscall_trace 94 jal do_syscall_trace
95 95
96 move t0, s0
97 RESTORE_STATIC
96 ld a0, PT_R4(sp) # Restore argument registers 98 ld a0, PT_R4(sp) # Restore argument registers
97 ld a1, PT_R5(sp) 99 ld a1, PT_R5(sp)
98 ld a2, PT_R6(sp) 100 ld a2, PT_R6(sp)
99 ld a3, PT_R7(sp) 101 ld a3, PT_R7(sp)
100 ld a4, PT_R8(sp) 102 ld a4, PT_R8(sp)
101 ld a5, PT_R9(sp) 103 ld a5, PT_R9(sp)
102 jalr s0 104 jalr t0
103 105
104 li t0, -EMAXERRNO - 1 # error? 106 li t0, -EMAXERRNO - 1 # error?
105 sltu t0, t0, v0 107 sltu t0, t0, v0
@@ -174,19 +176,7 @@ illegal_syscall:
174 sd zero, PT_R7(sp) # success 176 sd zero, PT_R7(sp) # success
175 sd v0, PT_R2(sp) # result 177 sd v0, PT_R2(sp) # result
176 178
177 /* Success, so skip usual error handling garbage. */ 179 j n64_syscall_exit # continue like a normal syscall
178 li t0, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
179 LONG_L a2, TI_FLAGS($28) # syscall tracing enabled?
180 and t0, a2, t0
181 bnez t0, 1f
182
183 j n64_syscall_exit
184
1851: SAVE_STATIC
186 move a0, sp
187 li a1, 1
188 jal do_syscall_trace
189 j syscall_exit
190 180
191no_mem: li v0, -ENOMEM 181no_mem: li v0, -ENOMEM
192 jr ra 182 jr ra