bug fix patch lost: git problem or just incorrect merge?

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The patch in question is this one (upstream for a while):

commit d7d05548a62c87ee55b0c81933669177f885aa8d
Author: Mike Christie <michaelc@xxxxxxxxxxx>
Date:   Wed Mar 31 14:41:35 2010 -0500

    [SCSI] iscsi_tcp: fix relogin/shutdown hang

It's a simple one line change in iscsi_tcp.c (diff clipped):

--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -599,7 +599,7 @@ static void iscsi_sw_tcp_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
-       if (sock->sk->sk_sleep && waitqueue_active(sock->sk->sk_sleep)) {
+       if (sock->sk->sk_sleep) {

It was killed by this merge commit in the net-next tree:

commit 278554bd6579206921f5d8a523649a7a57f8850d
Merge: 5a147e8 cea0d76
Author: David S. Miller <davem@xxxxxxxxxxxxx>
Date:   Wed May 12 00:05:35 2010 -0700

However, the curious thing is that git seems to have lost trace of the
missing patch entirely:  if I try to find it in linus' tree with a git
log -- drivers/scsi/iscsi_tcp.c, it doesn't show up.  The merge commit
which killed it does list iscsi_tcp.c as a file conflict, but git show
on that commit doesn't list that file in the resolution diff ... even
though this is where it actually got killed.

Is this a git problem ... or is it just a mismerge in the net tree?

Either way, of course, we need the patch back ...

James


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