[PATCH 27/51] extcon: Fix compile time warning

[Kishon Vijay Abraham I]

From: Maninder Singh <maninder1.s@xxxxxxxxxxx>

This patch fixes below compilation warning:-
drivers/extcon/extcon.c: In function extcon_register_notifier:
drivers/extcon/extcon.c:455:6: warning: idx may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (idx >= 0) {

Signed-off-by: Vaneet Narang <v.narang@xxxxxxxxxxx>
Signed-off-by: Maninder Singh <maninder1.s@xxxxxxxxxxx>
[cw00.choi : Modify the patch title using the a captical letter for first char]
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
---
 drivers/extcon/extcon.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 5b61000..9a266e5 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -391,7 +391,7 @@ int extcon_register_notifier(struct extcon_dev *edev, unsigned int id,
 			     struct notifier_block *nb)
 {
 	unsigned long flags;
-	int ret, idx;
+	int ret, idx = -EINVAL;
 
 	if (!nb)
 		return -EINVAL;
-- 
1.7.9.5