From: David S. Miller <davem@davemloft.net>
Date: Fri, 17 Feb 2017 21:19:39 +0000 (-0500)
Subject: irda: Fix lockdep annotations in hashbin_delete().
X-Git-Tag: v3.2.87~48
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=c512d1770f6731d7c34eb71d7463852d3ad0e452

irda: Fix lockdep annotations in hashbin_delete().

commit 4c03b862b12f980456f9de92db6d508a4999b788 upstream.

A nested lock depth was added to the hasbin_delete() code but it
doesn't actually work some well and results in tons of lockdep splats.

Fix the code instead to properly drop the lock around the operation
and just keep peeking the head of the hashbin queue.

Reported-by: Dmitry Vyukov <dvyukov@google.com>
Tested-by: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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