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authorDave Jones <davej@redhat.com>2007-02-10 20:36:29 -0500
committerDave Jones <davej@redhat.com>2007-02-10 20:36:29 -0500
commitbd0561c9d8dcbf21cd9aa46c416bbf6a3a12e4b1 (patch)
tree64fe15d4db42e0840acea00e4cf7e1855bba9e96 /crypto/digest.c
parent348f31ed2bd18391fe5903aa0ad7bfcda6d8ca0b (diff)
parent66efc5a7e3061c3597ac43a8bb1026488d57e66b (diff)
[CPUFREQ] Fix up merge conflicts with recent ACPI changes.
Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'crypto/digest.c')
-rw-r--r--crypto/digest.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/crypto/digest.c b/crypto/digest.c
index 8f4593268ce..1bf7414aeb9 100644
--- a/crypto/digest.c
+++ b/crypto/digest.c
@@ -14,7 +14,9 @@
#include <linux/mm.h>
#include <linux/errno.h>
+#include <linux/hardirq.h>
#include <linux/highmem.h>
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/scatterlist.h>
@@ -29,8 +31,8 @@ static int init(struct hash_desc *desc)
return 0;
}
-static int update(struct hash_desc *desc,
- struct scatterlist *sg, unsigned int nbytes)
+static int update2(struct hash_desc *desc,
+ struct scatterlist *sg, unsigned int nbytes)
{
struct crypto_tfm *tfm = crypto_hash_tfm(desc->tfm);
unsigned int alignmask = crypto_tfm_alg_alignmask(tfm);
@@ -81,6 +83,14 @@ static int update(struct hash_desc *desc,
return 0;
}
+static int update(struct hash_desc *desc,
+ struct scatterlist *sg, unsigned int nbytes)
+{
+ if (WARN_ON_ONCE(in_irq()))
+ return -EDEADLK;
+ return update2(desc, sg, nbytes);
+}
+
static int final(struct hash_desc *desc, u8 *out)
{
struct crypto_tfm *tfm = crypto_hash_tfm(desc->tfm);
@@ -118,16 +128,14 @@ static int setkey(struct crypto_hash *hash, const u8 *key, unsigned int keylen)
static int digest(struct hash_desc *desc,
struct scatterlist *sg, unsigned int nbytes, u8 *out)
{
+ if (WARN_ON_ONCE(in_irq()))
+ return -EDEADLK;
+
init(desc);
- update(desc, sg, nbytes);
+ update2(desc, sg, nbytes);
return final(desc, out);
}
-int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags)
-{
- return flags ? -EINVAL : 0;
-}
-
int crypto_init_digest_ops(struct crypto_tfm *tfm)
{
struct hash_tfm *ops = &tfm->crt_hash;