From 231d0aefd88e94129cb8fb84794f9bb788c6366e Mon Sep 17 00:00:00 2001
From: Evgeny Kuznetsov <ext-eugeny.kuznetsov@nokia.com>
Date: Tue, 5 Oct 2010 12:47:57 +0400
Subject: [PATCH] wait: using uninitialized member of wait queue

The "flags" member of "struct wait_queue_t" is used in several places in
the kernel code without beeing initialized by init_wait().  "flags" is
used in bitwise operations.

If "flags" not initialized then unexpected behaviour may take place.
Incorrect flags might used later in code.

Added initialization of "wait_queue_t.flags" with zero value into
"init_wait".

Signed-off-by: Evgeny Kuznetsov <EXT-Eugeny.Kuznetsov@nokia.com>
[ The bit we care about does end up being initialized by both
   prepare_to_wait() and add_to_wait_queue(), so this doesn't seem to
   cause actual bugs, but is definitely the right thing to do -Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
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