cifs: attempt to freeze while looping on a receive attempt

In the recent overhaul of the demultiplex thread receive path, I
neglected to ensure that we attempt to freeze on each pass through the
receive loop.

Reported-and-Tested-by: Woody Suwalski <terraluna977@gmail.com>
Reported-and-Tested-by: Adam Williamson <awilliam@redhat.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d6a972df033800eb0c00f6116b3c4b6bb309bd87..8cd4b52d42174ee0a4d524d3176b59102751c61e 100644 (file)
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -441,6 +441,8 @@ cifs_readv_from_socket(struct TCP_Server_Info *server, struct kvec *iov_orig,
        smb_msg.msg_controllen = 0;
 
        for (total_read = 0; to_read; total_read += length, to_read -= length) {
+               try_to_freeze();
+
                if (server_unresponsive(server)) {
                        total_read = -EAGAIN;
                        break;