From: Ralph Boehme slow@samba.org
commit b83b27909e74d27796de19c802fbc3b65ab4ba9a upstream.
Use ksmbd_req_buf_next() in ksmbd_smb2_check_message().
Cc: Tom Talpey tom@talpey.com Cc: Ronnie Sahlberg ronniesahlberg@gmail.com Cc: Steve French smfrench@gmail.com Cc: Hyunchul Lee hyc.lee@gmail.com Acked-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Ralph Boehme slow@samba.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ksmbd/smb2misc.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-)
--- a/fs/ksmbd/smb2misc.c +++ b/fs/ksmbd/smb2misc.c @@ -347,16 +347,11 @@ static int smb2_validate_credit_charge(s
int ksmbd_smb2_check_message(struct ksmbd_work *work) { - struct smb2_pdu *pdu = work->request_buf; + struct smb2_pdu *pdu = ksmbd_req_buf_next(work); struct smb2_hdr *hdr = &pdu->hdr; int command; __u32 clc_len; /* calculated length */ - __u32 len = get_rfc1002_len(pdu); - - if (work->next_smb2_rcv_hdr_off) { - pdu = ksmbd_req_buf_next(work); - hdr = &pdu->hdr; - } + __u32 len = get_rfc1002_len(work->request_buf);
if (le32_to_cpu(hdr->NextCommand) > 0) len = le32_to_cpu(hdr->NextCommand);