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-rw-r--r--crypto/shash.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index c9df367332ff..d5a2b619c55f 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -388,10 +388,15 @@ static int crypto_init_shash_ops_compat(struct crypto_tfm *tfm)
388 struct shash_desc *desc = crypto_tfm_ctx(tfm); 388 struct shash_desc *desc = crypto_tfm_ctx(tfm);
389 struct crypto_shash *shash; 389 struct crypto_shash *shash;
390 390
391 if (!crypto_mod_get(calg))
392 return -EAGAIN;
393
391 shash = __crypto_shash_cast(crypto_create_tfm( 394 shash = __crypto_shash_cast(crypto_create_tfm(
392 calg, &crypto_shash_type)); 395 calg, &crypto_shash_type));
393 if (IS_ERR(shash)) 396 if (IS_ERR(shash)) {
397 crypto_mod_put(calg);
394 return PTR_ERR(shash); 398 return PTR_ERR(shash);
399 }
395 400
396 desc->tfm = shash; 401 desc->tfm = shash;
397 tfm->exit = crypto_exit_shash_ops_compat; 402 tfm->exit = crypto_exit_shash_ops_compat;