Commit c6090480 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by Herbert Xu

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: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 24086e3d
...@@ -4813,6 +4813,11 @@ static int spu_dt_read(struct platform_device *pdev) ...@@ -4813,6 +4813,11 @@ static int spu_dt_read(struct platform_device *pdev)
int err; int err;
match = of_match_device(of_match_ptr(bcm_spu_dt_ids), dev); 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; matched_spu_type = match->data;
if (iproc_priv.spu.num_spu > 1) { if (iproc_priv.spu.num_spu > 1) {
......
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