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TPM: Add new TPMs to the tail of the list to prevent inadvertent change of dev

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Add newly registered TPMs to the tail of the list, not the beginning, so that
things that are specifying TPM_ANY_NUM don't find that the device they're
using has inadvertently changed.  Adding a second device would break IMA, for
instance.

Cc: stable@vger.kernel.org
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
This commit is contained in:
David Howells 2014-08-29 10:33:02 +01:00 committed by Peter Huewe
parent bb31f607a0
commit 398a1e71dc
1 changed files with 1 additions and 1 deletions
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2
drivers/char/tpm/tpm-interface.c
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@ -1122,7 +1122,7 @@ struct tpm_chip *tpm_register_hardware(struct device *dev,
/* Make chip available */
spin_lock(&driver_lock);
list_add_rcu(&chip->list, &tpm_chip_list);
list_add_tail_rcu(&chip->list, &tpm_chip_list);
spin_unlock(&driver_lock);
return chip;