From: Jiri Kosina <jkosina@suse.cz>
Date: Wed, 29 Feb 2012 09:29:23 +0000 (+0100)
Subject: tpm_tis: fix tis_lock with respect to RCU
X-Git-Tag: v3.4-rc1~175^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e70daaf05a181b6968e29e72e9f1c16a183e92c;p=pandora-kernel.git

tpm_tis: fix tis_lock with respect to RCU

cleanup_tis() -> tpm_remove_hardware() -> syncrhonize_rcu() is being
called in an atomic context (tis_lock spinlock held), which is not
allowed. Convert tis_lock to mutex.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Acked-by: Rajiv Andrade <srajiv@linux.vnet.ibm.com>
---

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