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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-02-24 20:31:04 +0100 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2010-02-24 20:33:45 +0100 |
| commit | 109d28152b6e9d5de64cd23e3bc08885ccb3d1ef (patch) | |
| tree | b7b8863faa05254781acfb85cc41da3eef467c6b /drivers/s390/crypto/zcrypt_api.c | |
| parent | 168cf9af699e87d5a6f44b684583714ecabb8e71 (diff) | |
| parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
Merge tag 'v2.6.33' for its firewire changes since last branch point
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_api.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_api.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c index 0d4d18bdd45..c68be24e27d 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) || |