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-rw-r--r--fs/cifs/cifsencrypt.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index a6ef088e057b..d3e14d1fc0b5 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -37,6 +37,7 @@
#include <crypto/aead.h>
int __cifs_calc_signature(struct smb_rqst *rqst,
+ int start,
struct TCP_Server_Info *server, char *signature,
struct shash_desc *shash)
{
@@ -45,10 +46,7 @@ int __cifs_calc_signature(struct smb_rqst *rqst,
struct kvec *iov = rqst->rq_iov;
int n_vec = rqst->rq_nvec;
- if (n_vec < 2 || iov[0].iov_len != 4)
- return -EIO;
-
- for (i = 1; i < n_vec; i++) {
+ for (i = start; i < n_vec; i++) {
if (iov[i].iov_len == 0)
continue;
if (iov[i].iov_base == NULL) {
@@ -119,7 +117,7 @@ static int cifs_calc_signature(struct smb_rqst *rqst,
return rc;
}
- return __cifs_calc_signature(rqst, server, signature,
+ return __cifs_calc_signature(rqst, 1, server, signature,
&server->secmech.sdescmd5->shash);
}
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