tree 34001ce04cbc2476eab137483cdb42e084ac44cf
parent c3363c912ba743e6f981ba58c744e413fc41f943
author Jiri Kosina <jkosina@suse.cz> 1330507763 +0100
committer Jiri Kosina <jkosina@suse.cz> 1330952819 +0100

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>