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-rw-r--r--arch/nios2/kernel/signal.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c
index a42dd09c6578..bfb20821a8f4 100644
--- a/arch/nios2/kernel/signal.c
+++ b/arch/nios2/kernel/signal.c
@@ -240,7 +240,7 @@ static int do_signal(struct pt_regs *regs)
/*
* If we were from a system call, check for system call restarting...
*/
- if (regs->orig_r2 >= 0) {
+ if (regs->orig_r2 >= 0 && regs->r1) {
continue_addr = regs->ea;
restart_addr = continue_addr - 4;
retval = regs->r2;
@@ -261,6 +261,7 @@ static int do_signal(struct pt_regs *regs)
regs->ea = restart_addr;
break;
}
+ regs->orig_r2 = -1;
}
if (get_signal(&ksig)) {