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(parent: 6052a6f) | patch
tpm_tis: fix tis_lock with respect to RCU
authorJiri Kosina <jkosina@suse.cz>
Wed, 29 Feb 2012 09:29:23 +0000 (10:29 +0100)
committerJiri Kosina <jkosina@suse.cz>
Mon, 5 Mar 2012 13:06:59 +0000 (14:06 +0100)
commit1f180598c4d886d4c0245edd60eae91639c92959
tree34001ce04cbc2476eab137483cdb42e084ac44cftree | snapshot
parent6052a6f3d18af12d3a7bb3e8e91187c4fa658e9ccommit | diff
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>
drivers/char/tpm/tpm_tis.c diff | blob | history
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