Messages in this thread Patch in this message | | | Subject | [PATCH 2/4] pinctrl: kirkwood: Prevent NULL dereference if of_match_device returns NULL | From | Axel Lin <> | Date | Thu, 15 Nov 2012 12:52:39 +0800 |
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of_match_device() may return NULL.
Signed-off-by: Axel Lin <axel.lin@ingics.com> --- drivers/pinctrl/mvebu/pinctrl-kirkwood.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c index 9a74ef6..fe885ca 100644 --- a/drivers/pinctrl/mvebu/pinctrl-kirkwood.c +++ b/drivers/pinctrl/mvebu/pinctrl-kirkwood.c @@ -444,8 +444,11 @@ static struct of_device_id kirkwood_pinctrl_of_match[] __devinitdata = { static int __devinit kirkwood_pinctrl_probe(struct platform_device *pdev) { - const struct of_device_id *match = - of_match_device(kirkwood_pinctrl_of_match, &pdev->dev); + const struct of_device_id *match; + + match = of_match_device(kirkwood_pinctrl_of_match, &pdev->dev); + if (!match) + return -ENODEV; pdev->dev.platform_data = match->data; return mvebu_pinctrl_probe(pdev); } -- 1.7.9.5
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