All of lore.kernel.org
 help / color / mirror / Atom feed
From: Huang Guobin <huangguobin4@huawei.com>
To: <gregkh@linuxfoundation.org>, <jirislaby@kernel.org>
Cc: <linux-serial@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH] tty: Fix a possible resource leak in icom_probe
Date: Thu, 31 Mar 2022 17:10:05 +0800	[thread overview]
Message-ID: <20220331091005.3290753-1-huangguobin4@huawei.com> (raw)

When pci_read_config_dword failed, call pci_release_regions() and
pci_disable_device() to recycle the resource previously allocated.

Signed-off-by: Huang Guobin <huangguobin4@huawei.com>
---
 drivers/tty/serial/icom.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index 03a2fe9f4c9a..02b375ba2f07 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -1501,7 +1501,7 @@ static int icom_probe(struct pci_dev *dev,
 	retval = pci_read_config_dword(dev, PCI_COMMAND, &command_reg);
 	if (retval) {
 		dev_err(&dev->dev, "PCI Config read FAILED\n");
-		return retval;
+		goto probe_exit0;
 	}
 
 	pci_write_config_dword(dev, PCI_COMMAND,
-- 
2.25.1


             reply	other threads:[~2022-03-31  8:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-31  9:10 Huang Guobin [this message]
2022-04-06 11:06 ` [PATCH] tty: Fix a possible resource leak in icom_probe Jiri Slaby

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=20220331091005.3290753-1-huangguobin4@huawei.com \
    --to=huangguobin4@huawei.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=jirislaby@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-serial@vger.kernel.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.