Commit c6090480 authored Jul 07, 2017 by Gustavo A. R. Silva Committed by Herbert Xu Jul 18, 2017

crypto: brcm - add NULL check on of_match_device() return value



Check return value from call to of_match_device()
in order to prevent a NULL pointer dereference.

In case of NULL print error message and return -ENODEV

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 24086e3d

drivers/crypto/bcm/cipher.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -4813,6 +4813,11 @@ static int spu_dt_read(struct platform_device *pdev)
		int err;

		match = of_match_device(of_match_ptr(bcm_spu_dt_ids), dev);
		if (!match) {
		dev_err(&pdev->dev, "Failed to match device\n");
		return -ENODEV;
		}

		matched_spu_type = match->data;

		if (iproc_priv.spu.num_spu > 1) {