[Xen-changelog] [xen-unstable] [TPM] Discard a future response packet after a timeout has occurred instead of

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 612671bd9a54ec9262abd26c4ba7b0c031aab2aa
# Parent  7bf0d46e369a4edf806b61357909d81071630d11
[TPM] Discard a future response packet after a timeout has occurred instead of
removing the request right away.
Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxx>
---
 linux-2.6-xen-sparse/drivers/xen/tpmback/tpmback.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff -r 7bf0d46e369a -r 612671bd9a54 
linux-2.6-xen-sparse/drivers/xen/tpmback/tpmback.c
--- a/linux-2.6-xen-sparse/drivers/xen/tpmback/tpmback.c        Fri Jul 14 
11:46:57 2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/tpmback/tpmback.c        Fri Jul 14 
11:48:48 2006 +0100
@@ -852,11 +852,11 @@ static void processing_timeout(unsigned 
         */
        if (pak == packet_find_packet(&dataex.pending_pak, pak) ||
            pak == packet_find_packet(&dataex.current_pak, pak)) {
-               list_del(&pak->next);
                if ((pak->flags & PACKET_FLAG_DISCARD_RESPONSE) == 0) {
                        tpm_send_fail_message(pak, pak->req_tag);
                }
-               packet_free(pak);
+               /* discard future responses */
+               pak->flags |= PACKET_FLAG_DISCARD_RESPONSE;
        }
 
        write_unlock_irqrestore(&dataex.pak_lock, flags);

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