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extcon: max8997: Fix NULL pointer exception on missing pdata
authorKrzysztof Kozlowski <k.kozlowski@samsung.com>
Wed, 9 Apr 2014 13:20:14 +0000 (15:20 +0200)
committerChanwoo Choi <cw00.choi@samsung.com>
Thu, 24 Apr 2014 08:20:37 +0000 (17:20 +0900)
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.kozlowski@samsung.com>
Cc: <stable@vger.kernel.org>
Fixes: 810d601f07c
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
drivers/extcon/extcon-max8997.c patch | blob | blame | history

diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index 6a00464658c50a6fb1aadecdf8e22467bc7963ca..5e1b88cecb76a5eb036e8407f02c2b71a388d7c9 100644 (file)
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -715,7 +715,7 @@ static int max8997_muic_probe(struct platform_device *pdev)
                goto err_irq;
        }
 
-       if (pdata->muic_pdata) {
+       if (pdata && pdata->muic_pdata) {
                struct max8997_muic_platform_data *muic_pdata
                        = pdata->muic_pdata;