From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Rothwell Subject: linux-next: build failure after merge of the akpm tree Date: Tue, 8 Sep 2015 14:53:12 +1000 Message-ID: <20150908145312.202c9786@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Andrew Morton , Gustavo Padovan Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Aring , Marcel Holtmann , Joe Perches List-Id: linux-next.vger.kernel.org Hi Andrew, After merging the akpm tree, today's linux-next build (x86_64 allmodconfig) failed like this: drivers/net/ieee802154/at86rf230.c: In function 'at86rf230_stats_show': drivers/net/ieee802154/at86rf230.c:1650:6: error: void value not ignored as it ought to be ret = seq_printf(file, "SUCCESS:\t\t%8llu\n", lp->trac.success); ^ drivers/net/ieee802154/at86rf230.c:1654:6: error: void value not ignored as it ought to be ret = seq_printf(file, "SUCCESS_DATA_PENDING:\t%8llu\n", ^ drivers/net/ieee802154/at86rf230.c:1659:6: error: void value not ignored as it ought to be ret = seq_printf(file, "SUCCESS_WAIT_FOR_ACK:\t%8llu\n", ^ drivers/net/ieee802154/at86rf230.c:1664:6: error: void value not ignored as it ought to be ret = seq_printf(file, "CHANNEL_ACCESS_FAILURE:\t%8llu\n", ^ drivers/net/ieee802154/at86rf230.c:1669:6: error: void value not ignored as it ought to be ret = seq_printf(file, "NO_ACK:\t\t\t%8llu\n", lp->trac.no_ack); ^ drivers/net/ieee802154/at86rf230.c:1673:2: error: void value not ignored as it ought to be return seq_printf(file, "INVALID:\t\t%8llu\n", lp->trac.invalid); ^ drivers/net/ieee802154/at86rf230.c:1674:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ Caused by commit 890acf8330ca ("at86rf230: add debugfs support") from the bluetooth tree interacting with commit 0287f0d7576f ("fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void") from the akpm tree. I have added the following fix patch for today: From: Stephen Rothwell Date: Tue, 8 Sep 2015 14:48:11 +1000 Subject: [PATCH] fs-seq_file-convert-int-seq_vprint-seq_printf-etc-returns-to-void-fix-fix-fix Signed-off-by: Stephen Rothwell --- drivers/net/ieee802154/at86rf230.c | 28 +++++++--------------------- 1 file changed, 7 insertions(+), 21 deletions(-) diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index b8b0628dc2f3..a9f3af63e590 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -1647,30 +1647,16 @@ static int at86rf230_stats_show(struct seq_file *file, void *offset) struct at86rf230_local *lp = file->private; int ret; - ret = seq_printf(file, "SUCCESS:\t\t%8llu\n", lp->trac.success); - if (ret < 0) - return ret; - - ret = seq_printf(file, "SUCCESS_DATA_PENDING:\t%8llu\n", + seq_printf(file, "SUCCESS:\t\t%8llu\n", lp->trac.success); + seq_printf(file, "SUCCESS_DATA_PENDING:\t%8llu\n", lp->trac.success_data_pending); - if (ret < 0) - return ret; - - ret = seq_printf(file, "SUCCESS_WAIT_FOR_ACK:\t%8llu\n", + seq_printf(file, "SUCCESS_WAIT_FOR_ACK:\t%8llu\n", lp->trac.success_wait_for_ack); - if (ret < 0) - return ret; - - ret = seq_printf(file, "CHANNEL_ACCESS_FAILURE:\t%8llu\n", + seq_printf(file, "CHANNEL_ACCESS_FAILURE:\t%8llu\n", lp->trac.channel_access_failure); - if (ret < 0) - return ret; - - ret = seq_printf(file, "NO_ACK:\t\t\t%8llu\n", lp->trac.no_ack); - if (ret < 0) - return ret; - - return seq_printf(file, "INVALID:\t\t%8llu\n", lp->trac.invalid); + seq_printf(file, "NO_ACK:\t\t\t%8llu\n", lp->trac.no_ack); + seq_printf(file, "INVALID:\t\t%8llu\n", lp->trac.invalid); + return 0; } static int at86rf230_stats_open(struct inode *inode, struct file *file) -- 2.5.1 -- Cheers, Stephen Rothwell sfr@canb.auug.org.au