diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-23 14:29:43 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-23 14:29:43 +0200 |
| commit | 7706abf5a0eb4c082897fd2a17a0ac0898e39666 (patch) | |
| tree | 982d22365f1aeedc43a796ef816cf1b1fa8480a7 /crypto/shash.c | |
| parent | ca3c5858834f75543a4e2e115b1578c01558b2ce (diff) | |
| parent | bb176f67090ca54869fc1262c913aa69d2ede070 (diff) | |
Merge 4.14-rc6 into staging-next
We want the IIO and staging driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'crypto/shash.c')
| -rw-r--r-- | crypto/shash.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/crypto/shash.c b/crypto/shash.c index 5e31c8d776df..325a14da5827 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -41,7 +41,7 @@ static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key, int err; absize = keylen + (alignmask & ~(crypto_tfm_ctx_alignment() - 1)); - buffer = kmalloc(absize, GFP_KERNEL); + buffer = kmalloc(absize, GFP_ATOMIC); if (!buffer) return -ENOMEM; @@ -275,12 +275,14 @@ static int shash_async_finup(struct ahash_request *req) int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc) { - struct scatterlist *sg = req->src; - unsigned int offset = sg->offset; unsigned int nbytes = req->nbytes; + struct scatterlist *sg; + unsigned int offset; int err; - if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) { + if (nbytes && + (sg = req->src, offset = sg->offset, + nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset))) { void *data; data = kmap_atomic(sg_page(sg)); |