[PATCH 3/4] extcon: max8997: Fix NULL pointer exception on missing pdata

From: Krzysztof Kozlowski
Date: Wed Apr 09 2014 - 09:22:00 EST


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@xxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: 810d601f07c
---
drivers/extcon/extcon-max8997.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index 6a00464658c5..5e1b88cecb76 100644
--- 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;

--
1.8.3.2

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