From: Mikulas Patocka mpatocka@redhat.com
[ Upstream commit a7a10bce8a04f48238a8306ec97d430b77917015 ]
Don't use crypto drivers that have the flag CRYPTO_ALG_ALLOCATES_MEMORY set. These drivers allocate memory and thus they are not suitable for block I/O processing.
Signed-off-by: Mikulas Patocka mpatocka@redhat.com Signed-off-by: Mike Snitzer snitzer@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/md/dm-integrity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c index 3fc3757def55e..5a7a1b90e671c 100644 --- a/drivers/md/dm-integrity.c +++ b/drivers/md/dm-integrity.c @@ -3462,7 +3462,7 @@ static int get_mac(struct crypto_shash **hash, struct alg_spec *a, char **error, int r;
if (a->alg_string) { - *hash = crypto_alloc_shash(a->alg_string, 0, 0); + *hash = crypto_alloc_shash(a->alg_string, 0, CRYPTO_ALG_ALLOCATES_MEMORY); if (IS_ERR(*hash)) { *error = error_alg; r = PTR_ERR(*hash); @@ -3519,7 +3519,7 @@ static int create_journal(struct dm_integrity_c *ic, char **error) struct journal_completion comp;
comp.ic = ic; - ic->journal_crypt = crypto_alloc_skcipher(ic->journal_crypt_alg.alg_string, 0, 0); + ic->journal_crypt = crypto_alloc_skcipher(ic->journal_crypt_alg.alg_string, 0, CRYPTO_ALG_ALLOCATES_MEMORY); if (IS_ERR(ic->journal_crypt)) { *error = "Invalid journal cipher"; r = PTR_ERR(ic->journal_crypt);