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-rw-r--r--fs/cifs/smb2misc.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index d4226782ec88..e4dede4ae058 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -199,7 +199,7 @@ static const bool has_smb2_data_area[NUMBER_OF_SMB2_COMMANDS] = {
* Returns the pointer to the beginning of the data area. Length of the data
* area and the offset to it (from the beginning of the smb are also returned.
*/
-static char *
+char *
smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr)
{
*off = 0;
@@ -218,6 +218,11 @@ smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr)
*/
switch (hdr->Command) {
case SMB2_NEGOTIATE:
+ *off = le16_to_cpu(
+ ((struct smb2_negotiate_rsp *)hdr)->SecurityBufferOffset);
+ *len = le16_to_cpu(
+ ((struct smb2_negotiate_rsp *)hdr)->SecurityBufferLength);
+ break;
case SMB2_SESSION_SETUP:
case SMB2_CREATE:
case SMB2_READ: