From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 30 May 2008 08:03:32 +0000 (+0200)
Subject: [S390] 3270: fix race with stack local wait_queue_head_t.
X-Git-Tag: v2.6.26-rc5~35^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54ad64129cc166b9eec7151f3f9fc83589e33555;p=pandora-kernel.git

[S390] 3270: fix race with stack local wait_queue_head_t.

A wait_event call with a stack local wait_queue_head_t structure that is
used to do the wake up for the wait_event is inherently racy. After the
wait_event finished the wake_up call might not have completed yet.
Remove the stack local wait_queue_head_t from raw3270_start_init and
use the global raw3270_wait_queue instead.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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