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Commit b35d282e authored by David S. Miller's avatar David S. Miller
Browse files

sparc64: Set CRYPTO_TFM_REQ_MAY_SLEEP consistently in AES code. 



We use the FPU and therefore cannot sleep during the crypto
loops.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a8d97cef

arch/sparc/crypto/aes_glue.c

+4 −0
Original line number Diff line number Diff line
@@ -222,6 +222,7 @@ static int ecb_encrypt(struct blkcipher_desc *desc, 


	blkcipher_walk_init(&walk, dst, src, nbytes);

	err = blkcipher_walk_virt(desc, &walk);

	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;



	ctx->ops->load_encrypt_keys(&ctx->key[0]);

	while ((nbytes = walk.nbytes)) {
@@ -251,6 +252,7 @@ static int ecb_decrypt(struct blkcipher_desc *desc, 


	blkcipher_walk_init(&walk, dst, src, nbytes);

	err = blkcipher_walk_virt(desc, &walk);

	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;



	ctx->ops->load_decrypt_keys(&ctx->key[0]);

	key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)];
@@ -280,6 +282,7 @@ static int cbc_encrypt(struct blkcipher_desc *desc, 


	blkcipher_walk_init(&walk, dst, src, nbytes);

	err = blkcipher_walk_virt(desc, &walk);

	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;



	ctx->ops->load_encrypt_keys(&ctx->key[0]);

	while ((nbytes = walk.nbytes)) {
@@ -309,6 +312,7 @@ static int cbc_decrypt(struct blkcipher_desc *desc, 


	blkcipher_walk_init(&walk, dst, src, nbytes);

	err = blkcipher_walk_virt(desc, &walk);

	desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;



	ctx->ops->load_decrypt_keys(&ctx->key[0]);

	key_end = &ctx->key[ctx->expanded_key_length / sizeof(u64)];