linux-kernel - [PATCH -next] tpm: change the return type of calc_tpm2_event_size to size

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Message-ID: <20190219072618.23048-1-yuehaibing@huawei.com>
Date:   Tue, 19 Feb 2019 15:26:18 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <peterhuewe@....de>, <jarkko.sakkinen@...ux.intel.com>,
        <jgg@...pe.ca>, <arnd@...db.de>, <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, <linux-integrity@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] tpm: change the return type of calc_tpm2_event_size to size_t

calc_tpm2_event_size return size of the event which type is
size_t, If it is an invalid event, returns 0. And all the
caller use a size_t variable to check the return value, so
no need to convert to the return value type to int.

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/char/tpm/eventlog/tpm2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c
index d8b7713..f824563 100644
--- a/drivers/char/tpm/eventlog/tpm2.c
+++ b/drivers/char/tpm/eventlog/tpm2.c
@@ -37,8 +37,8 @@
  *
  * Returns size of the event. If it is an invalid event, returns 0.
  */
-static int calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
-				struct tcg_pcr_event *event_header)
+static size_t calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
+				   struct tcg_pcr_event *event_header)
 {
 	struct tcg_efi_specid_event_head *efispecid;
 	struct tcg_event_field *event_field;
-- 
2.7.0