netdev - [PATCH net-next 3/7] s390/qeth: remove unused return value

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Message-Id: <20170405084015.35772-4-ubraun@linux.vnet.ibm.com>
Date:   Wed,  5 Apr 2017 10:40:11 +0200
From:   Ursula Braun <ubraun@...ux.vnet.ibm.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-s390@...r.kernel.org,
        jwi@...ux.vnet.ibm.com, schwidefsky@...ibm.com,
        heiko.carstens@...ibm.com, raspl@...ux.vnet.ibm.com,
        ubraun@...ux.vnet.ibm.com
Subject: [PATCH net-next 3/7] s390/qeth: remove unused return value

From: Julian Wiedmann <jwi@...ux.vnet.ibm.com>

qeth_qdio_output_handler() is the only caller of
qeth_handle_send_error() and doesn't care about the return value.

Signed-off-by: Julian Wiedmann <jwi@...ux.vnet.ibm.com>
Signed-off-by: Ursula Braun <ubraun@...ux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@...ux.vnet.ibm.com>
---
 drivers/s390/net/qeth_core.h      | 7 -------
 drivers/s390/net/qeth_core_main.c | 7 +++----
 2 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index e7addea..77f7cfd 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -503,13 +503,6 @@ struct qeth_qdio_info {
 	int default_out_queue;
 };
 
-enum qeth_send_errors {
-	QETH_SEND_ERROR_NONE,
-	QETH_SEND_ERROR_LINK_FAILURE,
-	QETH_SEND_ERROR_RETRY,
-	QETH_SEND_ERROR_KICK_IT,
-};
-
 #define QETH_ETH_MAC_V4      0x0100 /* like v4 */
 #define QETH_ETH_MAC_V6      0x3333 /* like v6 */
 /* tr mc mac is longer, but that will be enough to detect mc frames */
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 95bd5d8..639b92b 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -3322,7 +3322,7 @@ void qeth_queue_input_buffer(struct qeth_card *card, int index)
 }
 EXPORT_SYMBOL_GPL(qeth_queue_input_buffer);
 
-static int qeth_handle_send_error(struct qeth_card *card,
+static void qeth_handle_send_error(struct qeth_card *card,
 		struct qeth_qdio_out_buffer *buffer, unsigned int qdio_err)
 {
 	int sbalf15 = buffer->buffer->element[15].sflags;
@@ -3338,15 +3338,14 @@ static int qeth_handle_send_error(struct qeth_card *card,
 	qeth_check_qdio_errors(card, buffer->buffer, qdio_err, "qouterr");
 
 	if (!qdio_err)
-		return QETH_SEND_ERROR_NONE;
+		return;
 
 	if ((sbalf15 >= 15) && (sbalf15 <= 31))
-		return QETH_SEND_ERROR_RETRY;
+		return;
 
 	QETH_CARD_TEXT(card, 1, "lnkfail");
 	QETH_CARD_TEXT_(card, 1, "%04x %02x",
 		       (u16)qdio_err, (u8)sbalf15);
-	return QETH_SEND_ERROR_LINK_FAILURE;
 }
 
 /*
-- 
2.10.2