From: Lee Jones <lee.jones@linaro.org>
To: linux-kernel@vger.kernel.org,
Andreas Noever <andreas.noever@gmail.com>,
Michael Jamet <michael.jamet@intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Yehezkel Bernat <YehezkelShB@gmail.com>,
linux-usb@vger.kernel.org
Subject: [PATCH V2 01/12] thunderbolt: dma_port: Check 'dma_port_flash_write_block()'s return value
Date: Thu, 28 Jan 2021 08:52:33 +0000 [thread overview]
Message-ID: <20210128085233.GE4774@dell> (raw)
In-Reply-To: <20210127112554.3770172-2-lee.jones@linaro.org>
... and take the error path if it fails.
Fixes the following W=1 kernel build warning(s):
drivers/thunderbolt/dma_port.c: In function ‘dma_port_flash_write_block’:
drivers/thunderbolt/dma_port.c:331:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Andreas Noever <andreas.noever@gmail.com>
Cc: Michael Jamet <michael.jamet@intel.com>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Yehezkel Bernat <YehezkelShB@gmail.com>
Cc: linux-usb@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
v2: Different approach: actually handle the error.
drivers/thunderbolt/dma_port.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/thunderbolt/dma_port.c b/drivers/thunderbolt/dma_port.c
index 847dd07a7b172..7288aaf01ae6a 100644
--- a/drivers/thunderbolt/dma_port.c
+++ b/drivers/thunderbolt/dma_port.c
@@ -335,6 +335,8 @@ static int dma_port_flash_write_block(struct tb_dma_port *dma, u32 address,
/* Write the block to MAIL_DATA registers */
ret = dma_port_write(sw->tb->ctl, buf, tb_route(sw), dma->port,
dma->base + MAIL_DATA, dwords, DMA_PORT_TIMEOUT);
+ if (ret)
+ return ret;
in = MAIL_IN_CMD_FLASH_WRITE << MAIL_IN_CMD_SHIFT;
next prev parent reply other threads:[~2021-01-28 8:54 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 11:25 [PATCH 00/12] Rid W=1 warnings from Thunderbolt Lee Jones
2021-01-27 11:25 ` [PATCH 01/12] thunderbolt: dma_port: Remove unused variable 'ret' Lee Jones
[not found] ` <CAHp75VdnvG75bTZ9Zqpn=pm0_KNwK0GGBGGjZv1DpSY-6Ef_Xw@mail.gmail.com>
2021-01-27 16:19 ` Lee Jones
2021-01-27 16:57 ` Mika Westerberg
2021-01-28 8:52 ` Lee Jones [this message]
2021-01-28 11:01 ` [PATCH V2 01/12] thunderbolt: dma_port: Check 'dma_port_flash_write_block()'s return value Mika Westerberg
2021-01-27 11:25 ` [PATCH 02/12] thunderbolt: cap: Fix kernel-doc formatting issue Lee Jones
2021-01-27 11:25 ` [PATCH 03/12] thunderbolt: ctl: Demote non-conformant kernel-doc headers Lee Jones
2021-01-27 11:25 ` [PATCH 04/12] thunderbolt: eeprom: Demote non-conformant kernel-doc headers to standard comment blocks Lee Jones
2021-01-27 11:25 ` [PATCH 05/12] thunderbolt: pa: Demote non-conformant kernel-doc headers Lee Jones
[not found] ` <CAHp75VcFSQqDqjKCiCxdWyRpDDeMo4H6ELMHX15JSPfpt7nGHQ@mail.gmail.com>
2021-01-27 16:13 ` Lee Jones
2021-01-27 17:00 ` Mika Westerberg
2021-01-28 8:23 ` Lee Jones
2021-01-28 8:27 ` Mika Westerberg
2021-01-28 8:38 ` Lee Jones
2021-01-27 11:25 ` [PATCH 06/12] thunderbolt: xdomain: Fix 'tb_unregister_service_driver()'s 'drv' param Lee Jones
2021-01-27 11:25 ` [PATCH 07/12] thunderbolt: nhi: Demote some non-conformant kernel-doc headers Lee Jones
2021-01-27 11:25 ` [PATCH 08/12] thunderbolt: tb: Kernel-doc function headers should document their parameters Lee Jones
2021-01-27 11:25 ` [PATCH 09/12] thunderbolt: swit: Demote a bunch of non-conformant kernel-doc headers Lee Jones
2021-01-27 11:25 ` [PATCH 10/12] thunderbolt: icm: Fix a couple of formatting issues Lee Jones
2021-01-27 11:25 ` [PATCH 11/12] thunderbolt: tunnel: Fix misspelling of 'receive_path' Lee Jones
2021-01-27 11:25 ` [PATCH 12/12] thunderbolt: swit: Fix function name in the header Lee Jones
2021-01-28 11:09 ` [PATCH 00/12] Rid W=1 warnings from Thunderbolt Mika Westerberg
2021-01-28 13:16 ` Lee Jones
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210128085233.GE4774@dell \
--to=lee.jones@linaro.org \
--cc=YehezkelShB@gmail.com \
--cc=andreas.noever@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=michael.jamet@intel.com \
--cc=mika.westerberg@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).