MIPS: Sanitize restart logics

[net-next-2.6.git] / arch / mips / kernel / scall64-64.S

diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index a8a6c596eb0405bab886e8dfff6ffeb8097d7fc6..eb0bb73172c382e6c3037976112b7b072bcd8e31 100644 (file)
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -66,9 +66,9 @@ NESTED(handle_sys64, 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)           # set flag for syscall
-                                       # restarting
+       sd      t1, PT_R0(sp)           # save it for syscall restarting
 1:     sd      v0, PT_R2(sp)           # result
 
 n64_syscall_exit:
@@ -109,8 +109,9 @@ syscall_trace_entry:
        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