[MIPS] Fix register handling in syscalls when debugging.

    
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 7e66eb823bf6..b465ced1758f 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -90,13 +90,15 @@ n32_syscall_trace_entry:
         li      a1, 0
         jal     do_syscall_trace
 
+        move    t0, s0
+        RESTORE_STATIC
         ld      a0, PT_R4(sp)           # Restore argument registers
         ld      a1, PT_R5(sp)
         ld      a2, PT_R6(sp)
         ld      a3, PT_R7(sp)
         ld      a4, PT_R8(sp)
         ld      a5, PT_R9(sp)
-        jalr    s0
+        jalr    t0
 
         li      t0, -EMAXERRNO - 1      # error?
         sltu    t0, t0, v0