3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Krzysztof Kozlowski <k.kozlow...@samsung.com>

commit dfee4111febf3d9ef3a640b2cd6205c75f4e7e3d upstream.

Fix NULL pointer exception when platform data is not supplied. The
driver dereferenced pdata pointer where it could be NULL.

Signed-off-by: Krzysztof Kozlowski <k.kozlow...@samsung.com>
Fixes: 810d601f07c
Signed-off-by: Chanwoo Choi <cw00.c...@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 drivers/extcon/extcon-max8997.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -715,7 +715,7 @@ static int max8997_muic_probe(struct pla
                goto err_irq;
        }
 
-       if (pdata->muic_pdata) {
+       if (pdata && pdata->muic_pdata) {
                struct max8997_muic_platform_data *muic_pdata
                        = pdata->muic_pdata;
 


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