diff options
| author | Tudor Ambarus <tudor-dan.ambarus@nxp.com> | 2016-03-23 16:06:39 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-04-05 14:35:52 +0200 |
| commit | aa8b6dd4b06bab62ec7f8972f9e66782dbc23d60 (patch) | |
| tree | c557e3efb51b72b0ec3ef7b4e09b1803ca303fdd /drivers/crypto/qat | |
| parent | crypto: qat - Remove redundant nrbg rings (diff) | |
| download | linux-aa8b6dd4b06bab62ec7f8972f9e66782dbc23d60.tar.xz linux-aa8b6dd4b06bab62ec7f8972f9e66782dbc23d60.zip | |
crypto: qat - avoid memory corruption or undefined behaviour
memcopying to a (null pointer + offset) will result
in memory corruption or undefined behaviour.
Signed-off-by: Tudor Ambarus <tudor-dan.ambarus@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_asym_algs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_asym_algs.c b/drivers/crypto/qat/qat_common/qat_asym_algs.c index e5c0727d4876..8dbbf0849436 100644 --- a/drivers/crypto/qat/qat_common/qat_asym_algs.c +++ b/drivers/crypto/qat/qat_common/qat_asym_algs.c @@ -593,7 +593,7 @@ int qat_rsa_get_d(void *context, size_t hdrlen, unsigned char tag, ret = -ENOMEM; ctx->d = dma_zalloc_coherent(dev, ctx->key_sz, &ctx->dma_d, GFP_KERNEL); - if (!ctx->n) + if (!ctx->d) goto err; memcpy(ctx->d + (ctx->key_sz - vlen), ptr, vlen); |