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Commit e3f0dadb authored by Jeff Layton's avatar Jeff Layton Committed by Steve French
Browse files

cifs: enable signing flag in SMB header when server has it on 

cifs_sign_smb only generates a signature if the correct Flags2 bit is
set. Make sure that it gets set correctly if we're sending an async
call.

This patch fixes:

    https://bugzilla.kernel.org/show_bug.cgi?id=28142



Reported-and-Tested-by: default avatarJG <jg@cms.ac>
Signed-off-by: default avatarJeff Layton <jlayton@redhat.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 64474bdd

fs/cifs/transport.c

+4 −0
Original line number Diff line number Diff line
@@ -359,6 +359,10 @@ cifs_call_async(struct TCP_Server_Info *server, struct smb_hdr *in_buf, 
	if (rc)

		return rc;



	/* enable signing if server requires it */

	if (server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))

		in_buf->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;



	mutex_lock(&server->srv_mutex);

	mid = AllocMidQEntry(in_buf, server);

	if (mid == NULL) {