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| author | David S. Miller <davem@davemloft.net> | 2008-03-17 23:44:31 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-17 23:44:31 -0700 |
| commit | 2f633928cbba8a5858bb39b11e7219a41b0fbef5 (patch) | |
| tree | 9a82f4b7f2c3afe4b0208d8e44ea61bae90a7d22 /crypto/xcbc.c | |
| parent | 5e226e4d9016daee170699f8a4188a5505021756 (diff) | |
| parent | bde4f8fa8db2abd5ac9c542d76012d0fedab050f (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'crypto/xcbc.c')
| -rw-r--r-- | crypto/xcbc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/xcbc.c b/crypto/xcbc.c index 86727403e5a..2feb0f239c3 100644 --- a/crypto/xcbc.c +++ b/crypto/xcbc.c @@ -124,6 +124,11 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc, unsigned int offset = sg[i].offset; unsigned int slen = sg[i].length; + if (unlikely(slen > nbytes)) + slen = nbytes; + + nbytes -= slen; + while (slen > 0) { unsigned int len = min(slen, ((unsigned int)(PAGE_SIZE)) - offset); char *p = crypto_kmap(pg, 0) + offset; @@ -177,7 +182,6 @@ static int crypto_xcbc_digest_update2(struct hash_desc *pdesc, offset = 0; pg++; } - nbytes-=sg[i].length; i++; } while (nbytes>0); |