From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Date: Mon, 2 Nov 2015 17:55:29 +0000 (+0200)
Subject: TPM: revert the list handling logic fixed in 398a1e7
X-Git-Tag: v4.3.6~151
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30b258e6782fa45e98a761a5b0301ab5b04ad0dd;p=thirdparty%2Fkernel%2Fstable.git

TPM: revert the list handling logic fixed in 398a1e7

commit b1a4144a695ff4a6834a2680600f36f991fa4926 upstream.

Mimi reported that afb5abc reverts the fix in 398a1e7. This patch
reverts it back.

Fixes: afb5abc262e9 ("tpm: two-phase chip management functions")
Reported-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Acked-by: Peter Huewe <PeterHuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 1082d4bb016a9..0f8623d88b842 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -231,7 +231,7 @@ int tpm_chip_register(struct tpm_chip *chip)
 
 	/* Make the 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);
 
 	chip->flags |= TPM_CHIP_FLAG_REGISTERED;