Function xive_native_get_ipi() might uses chip_id without it being
initialized. This gives the following error on 'smatch' tool:

	error: uninitialized symbol 'chip_id'

This patch simply sets chip_id initial value to 0.

CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
---
 arch/powerpc/sysdev/xive/native.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index 311185b9960a..fc56673a3c0f 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c

@@ -239,7 +239,7 @@ static bool xive_native_match(struct device_node *node)
 static int xive_native_get_ipi(unsigned int cpu, struct xive_cpu *xc)
 {
 	struct device_node *np;
-	unsigned int chip_id;
+	unsigned int chip_id = 0;
 	s64 irq;
 
 	/* Find the chip ID */

-- 
2.16.3