From: Dejin Zheng <zhengdejin5@gmail.com>
To: b.zolnierkie@samsung.com, tglx@linutronix.de,
gregkh@linuxfoundation.org, tsbogend@alpha.franken.de,
FlorianSchandinat@gmx.de, ralf@linux-mips.org,
dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, Dejin Zheng <zhengdejin5@gmail.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>
Subject: [PATCH v1] console: fix an issue about ioremap leak.
Date: Wed, 22 Apr 2020 23:53:28 +0800 [thread overview]
Message-ID: <20200422155328.27473-1-zhengdejin5@gmail.com> (raw)
if do_take_over_console() return an error in the newport_probe(),
due to the io virtual address is not released, it will cause a leak.
Fixes: e84de0c6190503 ("MIPS: GIO bus support for SGI IP22/28")
CC: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
---
drivers/video/console/newport_con.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 00dddf6e08b0..6bfc8e3ffd4a 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -720,6 +720,9 @@ static int newport_probe(struct gio_device *dev,
console_lock();
err = do_take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
console_unlock();
+
+ if (err)
+ iounmap((void *)npregs);
return err;
}
--
2.25.0
next reply other threads:[~2020-04-22 15:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-22 15:53 Dejin Zheng [this message]
2020-04-23 11:10 [PATCH v1] console: fix an issue about ioremap leak Markus Elfring
2020-04-23 14:29 ` Dejin Zheng
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=20200422155328.27473-1-zhengdejin5@gmail.com \
--to=zhengdejin5@gmail.com \
--cc=FlorianSchandinat@gmx.de \
--cc=andy.shevchenko@gmail.com \
--cc=b.zolnierkie@samsung.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=ralf@linux-mips.org \
--cc=tglx@linutronix.de \
--cc=tsbogend@alpha.franken.de \
/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).