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authorSyam Sidhardhan <syamsidhardh@gmail.com>2013-02-25 02:27:39 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2013-03-10 12:46:43 +0400
commitfb1dd794802022f4413d36e47bd40f8c7bacd456 (patch)
tree632d7f4c6f10d054719bdd34c2ae51c4d6fd54cf /drivers/crypto/bfin_crc.c
parenta84fb791cb467851772a9196c05531be4abaf1bb (diff)
downloadlinux-fb1dd794802022f4413d36e47bd40f8c7bacd456.tar.xz
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/bfin_crc.c')
-rw-r--r--drivers/crypto/bfin_crc.c6
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);