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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2017-12-29 17:49:13 +0100 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2017-12-29 17:49:13 +0100 |
| commit | 59d9ddb192bc424cc53e52180478001af4fb99a4 (patch) | |
| tree | 0abd8646ad5a39bf4993faf67e0200c6be6a5e13 /crypto/shash.c | |
| parent | 1ca96e9695b6c448befcd0abacaf473458f22d1c (diff) | |
| parent | d5abe860ac298ebe723b37a6f63a5b2d404fca60 (diff) | |
| download | linux-crypto-59d9ddb192bc424cc53e52180478001af4fb99a4.tar.gz linux-crypto-59d9ddb192bc424cc53e52180478001af4fb99a4.zip | |
Merge tag 'v4.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next
Linux 4.15-rc5
Diffstat (limited to 'crypto/shash.c')
| -rw-r--r-- | crypto/shash.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/crypto/shash.c b/crypto/shash.c index 5e31c8d7..e849d3ee 100644 --- a/crypto/shash.c +++ b/crypto/shash.c @@ -25,11 +25,12 @@ static const struct crypto_type crypto_shash_type; -static int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, - unsigned int keylen) +int shash_no_setkey(struct crypto_shash *tfm, const u8 *key, + unsigned int keylen) { return -ENOSYS; } +EXPORT_SYMBOL_GPL(shash_no_setkey); static int shash_setkey_unaligned(struct crypto_shash *tfm, const u8 *key, unsigned int keylen) @@ -41,7 +42,7 @@ 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 +276,14 @@ 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)); |