[PATCH] powerpc/8xx: Fix warning in hw_breakpoint_handler()

[Russell Currey]

In hw_breakpoint_handler(), ea is set by wp_get_instr_detail() except
for 8xx, leading the variable to be passed uninitialised to
wp_check_constraints().  This is safe as wp_check_constraints() returns
early without using ea, so just set it to make the compiler happy.

Signed-off-by: Russell Currey <rus...@russell.cc>
---
 arch/powerpc/kernel/hw_breakpoint.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/kernel/hw_breakpoint.c 
b/arch/powerpc/kernel/hw_breakpoint.c
index 8db1a15d7acb..e1b4e70c8fd0 100644
--- a/arch/powerpc/kernel/hw_breakpoint.c
+++ b/arch/powerpc/kernel/hw_breakpoint.c
@@ -646,7 +646,7 @@ int hw_breakpoint_handler(struct die_args *args)
        ppc_inst_t instr = ppc_inst(0);
        int type = 0;
        int size = 0;
-       unsigned long ea;
+       unsigned long ea = 0;
 
        /* Disable breakpoints during exception handling */
        hw_breakpoint_disable();
-- 
2.37.3