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-rw-r--r--crypto/shash.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 37537d7995c7..4721f5f134f4 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -257,12 +257,13 @@ static int __crypto_shash_import(struct shash_desc *desc, const void *in,
if (crypto_shash_get_flags(tfm) & CRYPTO_TFM_NEED_KEY)
return -ENOKEY;
- plen = crypto_shash_blocksize(tfm) + 1;
- descsize = crypto_shash_descsize(tfm);
ss = crypto_shash_statesize(tfm);
- buf[descsize - 1] = 0;
- if (crypto_shash_block_only(tfm))
+ if (crypto_shash_block_only(tfm)) {
+ plen = crypto_shash_blocksize(tfm) + 1;
ss -= plen;
+ descsize = crypto_shash_descsize(tfm);
+ buf[descsize - 1] = 0;
+ }
if (!import) {
memcpy(buf, in, ss);
return 0;