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| author | Gustavo A. R. Silva <garsilva@embeddedor.com> | 2017-07-07 08:33:33 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2017-07-18 12:15:57 +0200 |
| commit | c6090480b27ac7148bf4087f2112ed9c05f34c2b (patch) | |
| tree | 6021f85e0e54bff5fd93b56e1f8f62e2a3aebde6 /drivers/crypto | |
| parent | crypto: geode-aes - fixed coding style warnings and error (diff) | |
| download | linux-c6090480b27ac7148bf4087f2112ed9c05f34c2b.tar.xz linux-c6090480b27ac7148bf4087f2112ed9c05f34c2b.zip | |
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>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/bcm/cipher.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/bcm/cipher.c b/drivers/crypto/bcm/cipher.c index 9cfd36c1bcb6..f1a826f97fec 100644 --- a/drivers/crypto/bcm/cipher.c +++ b/drivers/crypto/bcm/cipher.c @@ -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) { |