Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=745542e210b3b15751ea9d511321924ac36b85db
Commit: 745542e210b3b15751ea9d511321924ac36b85db
Parent: 7505e0525c914cdfdb54f43a7e70f038a16a5486
Author: Jeff Layton <[EMAIL PROTECTED]>
AuthorDate: Sat Nov 3 04:34:04 2007 +0000
Committer: Steve French <[EMAIL PROTECTED]>
CommitDate: Sat Nov 3 04:34:04 2007 +0000
[CIFS] allow cifs_calc_signature2 to deal with a zero length iovec
Currently, cifs_calc_signature2 errors out if it gets a zero-length
iovec. Fix it to silently continue in that case.
Signed-off-by: Jeff Layton <[EMAIL PROTECTED]>
Signed-off-by: Steve French <[EMAIL PROTECTED]>
---
fs/cifs/cifsencrypt.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 632070b..788f0ad 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -99,11 +99,12 @@ static int cifs_calc_signature2(const struct kvec *iov, int
n_vec,
MD5Init(&context);
MD5Update(&context, (char *)&key->data, key->len);
for (i = 0; i < n_vec; i++) {
+ if (iov[i].iov_len == 0)
+ continue;
if (iov[i].iov_base == NULL) {
cERROR(1, ("null iovec entry"));
return -EIO;
- } else if (iov[i].iov_len == 0)
- break; /* bail out if we are sent nothing to sign */
+ }
/* The first entry includes a length field (which does not get
signed that occupies the first 4 bytes before the header */
if (i == 0) {
-
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