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Commit 7922118f authored by LABBE Corentin's avatar LABBE Corentin Committed by Alexandre Belloni
Browse files

memory: atmel-sdramc: fix a possible NULL dereference 



of_match_device could return NULL, and so cause a NULL pointer
dereference later.

For fixing this problem, we use of_device_get_match_data(), this will
simplify the code a little by using a standard function for
getting the match data.

Signed-off-by: default avatarLABBE Corentin <clabbe.montjoie@gmail.com>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent ee4fec5f

drivers/memory/atmel-sdramc.c

+1 −3
Original line number Diff line number Diff line
@@ -53,12 +53,10 @@ static const struct of_device_id atmel_ramc_of_match[] = { 


static int atmel_ramc_probe(struct platform_device *pdev)

{

	const struct of_device_id *match;

	const struct at91_ramc_caps *caps;

	struct clk *clk;



	match = of_match_device(atmel_ramc_of_match, &pdev->dev);

	caps = match->data;

	caps = of_device_get_match_data(&pdev->dev);



	if (caps->has_ddrck) {

		clk = devm_clk_get(&pdev->dev, "ddrck");