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| author | Harsh Jain <harsh@chelsio.com> | 2018-01-11 16:45:49 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-01-18 22:52:28 +1100 |
| commit | 8daa32b9357de54eb68d78bbe668d52a83d24e71 (patch) | |
| tree | 9081cfa3de71c62142445218655224a0ef09a8af /drivers | |
| parent | db6deea4899e2336de42da43c545eeac2eead4af (diff) | |
| download | linux-stable-8daa32b9357de54eb68d78bbe668d52a83d24e71.tar.gz linux-stable-8daa32b9357de54eb68d78bbe668d52a83d24e71.tar.bz2 linux-stable-8daa32b9357de54eb68d78bbe668d52a83d24e71.zip | |
crypto: chelsio - check for sg null
Add warning message if sg is NULL after skipping bytes.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_algo.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c index f6b11610ed5b..280377fc69e0 100644 --- a/drivers/crypto/chelsio/chcr_algo.c +++ b/drivers/crypto/chelsio/chcr_algo.c @@ -574,7 +574,8 @@ static void ulptx_walk_add_sg(struct ulptx_walk *walk, skip = 0; } } - if (walk->nents == 0) { + WARN(!sg, "SG should not be null here\n"); + if (sg && (walk->nents == 0)) { small = min_t(unsigned int, sg_dma_len(sg) - skip_len, len); sgmin = min_t(unsigned int, small, CHCR_SRC_SG_SIZE); walk->sgl->len0 = cpu_to_be32(sgmin); |