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Diffstat (limited to 'arch/mips/kernel/scall64-o32.S')
-rw-r--r--arch/mips/kernel/scall64-o32.S7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 813689ef2384..7ce0a3685627 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)
sd t0, PT_R7(sp) # set error flag
beqz t0, 1f
+ ld t1, PT_R2(sp) # syscall number
dnegu v0 # error
- sd v0, PT_R0(sp) # flag for syscall restarting
+ sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
o32_syscall_exit:
@@ -142,8 +143,9 @@ trace_a_syscall:
sd t0, PT_R7(sp) # set error flag
beqz t0, 1f
+ ld t1, PT_R2(sp) # syscall number
dnegu v0 # error
- sd v0, PT_R0(sp) # set flag for syscall restarting
+ sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
j syscall_exit
@@ -155,7 +157,6 @@ trace_a_syscall:
*/
bad_stack:
dnegu v0 # error
- sd v0, PT_R0(sp)
sd v0, PT_R2(sp)
li t0, 1 # set error flag
sd t0, PT_R7(sp)