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: JG <jg@xxxxxx>
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/cifs/transport.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index b8c5e2e..fbc5aac 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -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) {
--
1.7.3.4
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