ksmbd: do not call kvmalloc() with __GFP_NORETRY | __GFP_NO_WARN

Commit 83dcedd ("ksmbd: fix infinite loop in ksmbd_conn_handler_loop()"),
changes GFP modifiers passed to kvmalloc(). This cause xfstests generic/551
test to fail. We limit pdu length size according to connection status and
maximum number of connections. In the rest, memory allocation of request
is limited by credit management. so these flags are no longer needed.

Fixes: 83dcedd ("ksmbd: fix infinite loop in ksmbd_conn_handler_loop()")
Cc: [email protected]
Signed-off-by: Marios Makassikis <[email protected]>
Acked-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>

Author: Marios Makassikis

fs/ksmbd/connection.c

@@ -326,10 +326,7 @@ int ksmbd_conn_handler_loop(void *p)
 
 		/* 4 for rfc1002 length field */
 		size = pdu_size + 4;
-		conn->request_buf = kvmalloc(size,
-					     GFP_KERNEL |
-					     __GFP_NOWARN |
-					     __GFP_NORETRY);
+		conn->request_buf = kvmalloc(size, GFP_KERNEL);
 		if (!conn->request_buf)
 			break;