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| author | Syam Sidhardhan <syamsidhardh@gmail.com> | 2013-02-24 23:27:39 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2013-03-10 09:46:43 +0100 |
| commit | fb1dd794802022f4413d36e47bd40f8c7bacd456 (patch) | |
| tree | 632d7f4c6f10d054719bdd34c2ae51c4d6fd54cf /drivers/crypto | |
| parent | crypto: user - constify netlink dispatch table (diff) | |
| download | linux-fb1dd794802022f4413d36e47bd40f8c7bacd456.tar.xz linux-fb1dd794802022f4413d36e47bd40f8c7bacd456.zip | |
crypto: bfin_crc - Fix possible NULL pointer dereference
If we define dev_dbg(), then there is a possible NULL pointer
dereference.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/bfin_crc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/crypto/bfin_crc.c b/drivers/crypto/bfin_crc.c index 827913d7d33a..d797f31f5d85 100644 --- a/drivers/crypto/bfin_crc.c +++ b/drivers/crypto/bfin_crc.c @@ -151,7 +151,7 @@ static int bfin_crypto_crc_init(struct ahash_request *req) struct bfin_crypto_crc_reqctx *ctx = ahash_request_ctx(req); struct bfin_crypto_crc *crc; - dev_dbg(crc->dev, "crc_init\n"); + dev_dbg(ctx->crc->dev, "crc_init\n"); spin_lock_bh(&crc_list.lock); list_for_each_entry(crc, &crc_list.dev_list, list) { crc_ctx->crc = crc; @@ -160,7 +160,7 @@ static int bfin_crypto_crc_init(struct ahash_request *req) spin_unlock_bh(&crc_list.lock); if (sg_count(req->src) > CRC_MAX_DMA_DESC) { - dev_dbg(crc->dev, "init: requested sg list is too big > %d\n", + dev_dbg(ctx->crc->dev, "init: requested sg list is too big > %d\n", CRC_MAX_DMA_DESC); return -EINVAL; } @@ -175,7 +175,7 @@ static int bfin_crypto_crc_init(struct ahash_request *req) /* init crc results */ put_unaligned_le32(crc_ctx->key, req->result); - dev_dbg(crc->dev, "init: digest size: %d\n", + dev_dbg(ctx->crc->dev, "init: digest size: %d\n", crypto_ahash_digestsize(tfm)); return bfin_crypto_crc_init_hw(crc, crc_ctx->key); |