From: Arjun Sreedharan <arjun024@gmail.com>
To: balbi@ti.com, gregkh@linuxfoundation.org
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] usb: phy: return -ENODEV on failure of try_module_get
Date: Mon, 18 Aug 2014 11:17:33 +0530 [thread overview]
Message-ID: <1408340853-1674-1-git-send-email-arjun024@gmail.com> (raw)
In-Reply-To: <20140818015959.GC14301@kroah.com>
When __usb_find_phy_dev() does not return error and
try_module_get() fails, return -ENODEV.
Signed-off-by: Arjun Sreedharan <arjun024@gmail.com>
---
drivers/usb/phy/phy.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c
index 36b6bce..fd0d7f1 100644
--- a/drivers/usb/phy/phy.c
+++ b/drivers/usb/phy/phy.c
@@ -232,6 +232,9 @@ struct usb_phy *usb_get_phy_dev(struct device *dev, u8 index)
phy = __usb_find_phy_dev(dev, &phy_bind_list, index);
if (IS_ERR(phy) || !try_module_get(phy->dev->driver->owner)) {
dev_dbg(dev, "unable to find transceiver\n");
+ if (!IS_ERR(phy))
+ phy = ERR_PTR(-ENODEV);
+
goto err0;
}
--
1.7.11.7
prev parent reply other threads:[~2014-08-18 5:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-17 18:34 Arjun Sreedharan
2014-08-18 1:59 ` Greg KH
2014-08-18 5:47 ` Arjun Sreedharan [this message]
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=1408340853-1674-1-git-send-email-arjun024@gmail.com \
--to=arjun024@gmail.com \
--cc=balbi@ti.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome