4.2-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit a598af7f0279195abffbfb9bf2070457e9c89ff3 upstream.
Unsigned is never less than zero so this error handling won't work.
Fixes: be052cc87745 ('extcon: Fix hang and extcon_get/set_cable_state().')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Roger Quadros <rogerq@xxxxxx>
[cw00.choi: Change the patch title and fix signedness bug of find_cable_index_by_id() ]
Signed-off-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/extcon/extcon.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -126,7 +126,7 @@ static int find_cable_index_by_id(struct
static int find_cable_id_by_name(struct extcon_dev *edev, const char *name)
{
- unsigned int id = -EINVAL;
+ int id = -EINVAL;
int i = 0;
/* Find the id of extcon cable */
@@ -143,7 +143,7 @@ static int find_cable_id_by_name(struct
static int find_cable_index_by_name(struct extcon_dev *edev, const char *name)
{
- unsigned int id;
+ int id;
if (edev->max_supported == 0)
return -EINVAL;
@@ -378,7 +378,7 @@ EXPORT_SYMBOL_GPL(extcon_get_cable_state
*/
int extcon_get_cable_state(struct extcon_dev *edev, const char *cable_name)
{
- unsigned int id;
+ int id;
id = find_cable_id_by_name(edev, cable_name);
if (id < 0)
@@ -426,7 +426,7 @@ EXPORT_SYMBOL_GPL(extcon_set_cable_state
int extcon_set_cable_state(struct extcon_dev *edev,
const char *cable_name, bool cable_state)
{
- unsigned int id;
+ int id;
id = find_cable_id_by_name(edev, cable_name);
if (id < 0)
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html