sh: kgdb: Fix up NULL pointer deref by kgdb_nmicallback.

kgdb_nmicallback expects valid register state, so just fetch the register
state with get_irq_regs() as on other platforms.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

diff --git a/arch/sh/kernel/kgdb.c b/arch/sh/kernel/kgdb.c
index ba8e76325d128e057e6150413b5ec3f4882f5e49..38b313909ac943ac208d57ffa5584c1253331c85 100644 (file)
--- a/arch/sh/kernel/kgdb.c
+++ b/arch/sh/kernel/kgdb.c
@@ -313,7 +313,7 @@ BUILD_TRAP_HANDLER(singlestep)
 
 static void kgdb_call_nmi_hook(void *ignored)
 {
-       kgdb_nmicallback(raw_smp_processor_id(), NULL);
+       kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
 }
 
 void kgdb_roundup_cpus(unsigned long flags)