[PATCH 2/3] powerpc/watchdog: regs can't be null in soft_nmi_interrupt()

[Michael Ellerman]

soft_nmi_interrupt() is called directly from the asm exception
handling code, which passes regs as a pointer to the stack. So regs
can't be NULL, it may be full of junk, but that's a separate problem.

Signed-off-by: Michael Ellerman <m...@ellerman.id.au>
---
 arch/powerpc/kernel/watchdog.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c
index 937cb92374c7..2494cbe34132 100644
--- a/arch/powerpc/kernel/watchdog.c
+++ b/arch/powerpc/kernel/watchdog.c
@@ -238,10 +238,7 @@ void soft_nmi_interrupt(struct pt_regs *regs)
                pr_emerg("CPU %d self-detected hard LOCKUP\n", cpu);
                print_modules();
                print_irqtrace_events(current);
-               if (regs)
-                       show_regs(regs);
-               else
-                       dump_stack();
+               show_regs(regs);
 
                wd_smp_unlock(&flags);
 
-- 
2.7.4