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authorIngo Molnar <mingo@elte.hu>2010-02-25 09:40:22 +0100
committerIngo Molnar <mingo@elte.hu>2010-02-25 09:40:26 +0100
commit996de8c6fe95c5a9fc524241cc8f142ef0605d3d (patch)
tree0f637ab0d80d6d7e213707ac2d8c1cc16b69523c /drivers/s390/crypto/zcrypt_api.c
parent017c426138122c8e9b9f5057fbd0567c37b35247 (diff)
parent60b341b778cc2929df16c0a504c91621b3c6a4ad (diff)
Merge commit 'v2.6.33' into core/rcu
Merge reason: Update from -rc4 to -final. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
-rw-r--r--drivers/s390/crypto/zcrypt_api.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 0d4d18bdd45c..c68be24e27d9 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -393,10 +393,12 @@ static long zcrypt_rsa_crt(struct ica_rsa_modexpo_crt *crt)
* u_mult_inv > 128 bytes.
*/
if (copied == 0) {
- int len;
+ unsigned int len;
spin_unlock_bh(&zcrypt_device_lock);
/* len is max 256 / 2 - 120 = 8 */
len = crt->inputdatalength / 2 - 120;
+ if (len > sizeof(z1))
+ return -EFAULT;
z1 = z2 = z3 = 0;
if (copy_from_user(&z1, crt->np_prime, len) ||
copy_from_user(&z2, crt->bp_key, len) ||