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-rw-r--r--crypto/api.c3
-rw-r--r--crypto/cipher.c4
-rw-r--r--crypto/internal.h3
-rw-r--r--include/linux/crypto.h1
4 files changed, 5 insertions, 6 deletions
diff --git a/crypto/api.c b/crypto/api.c
index b4728811ce3..959c4e5f264 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -66,7 +66,8 @@ static inline struct crypto_alg *crypto_alg_mod_lookup(const char *name)
static int crypto_init_flags(struct crypto_tfm *tfm, u32 flags)
{
- tfm->crt_flags = 0;
+ tfm->crt_flags = flags & CRYPTO_TFM_REQ_MASK;
+ flags &= ~CRYPTO_TFM_REQ_MASK;
switch (crypto_tfm_alg_type(tfm)) {
case CRYPTO_ALG_TYPE_CIPHER:
diff --git a/crypto/cipher.c b/crypto/cipher.c
index 8da644364cb..3df47f93c9d 100644
--- a/crypto/cipher.c
+++ b/crypto/cipher.c
@@ -377,11 +377,7 @@ static int nocrypt_iv(struct crypto_tfm *tfm,
int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags)
{
u32 mode = flags & CRYPTO_TFM_MODE_MASK;
-
tfm->crt_cipher.cit_mode = mode ? mode : CRYPTO_TFM_MODE_ECB;
- if (flags & CRYPTO_TFM_REQ_WEAK_KEY)
- tfm->crt_flags = CRYPTO_TFM_REQ_WEAK_KEY;
-
return 0;
}
diff --git a/crypto/internal.h b/crypto/internal.h
index 37515beafc8..37aa652ce5c 100644
--- a/crypto/internal.h
+++ b/crypto/internal.h
@@ -17,6 +17,7 @@
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <asm/kmap_types.h>
extern enum km_type crypto_km_types[];
@@ -38,7 +39,7 @@ static inline void crypto_kunmap(void *vaddr, int out)
static inline void crypto_yield(struct crypto_tfm *tfm)
{
- if (!in_atomic())
+ if (tfm->crt_flags & CRYPTO_TFM_REQ_MAY_SLEEP)
cond_resched();
}
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 5e2bcc636a0..3c89df6e776 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -45,6 +45,7 @@
#define CRYPTO_TFM_MODE_CTR 0x00000008
#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100
+#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200
#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000
#define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000
#define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000