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From: Daniel Mack <zonque@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: linus.walleij@linaro.org, patrice.chotard@st.com,
	Daniel Mack <zonque@gmail.com>
Subject: [PATCH, for-next] pinctrl: fix mutex deadlock in get_pinctrl_dev_from_of_node()
Date: Fri, 26 Apr 2013 18:57:02 +0200	[thread overview]
Message-ID: <1366995422-7135-1-git-send-email-zonque@gmail.com> (raw)

This obvious bug was introduced by d755910b7 ("pinctrl: move subsystem
mutex to pinctrl_dev struct").

Signed-off-by: Daniel Mack <zonque@gmail.com>
---
This applies on today's linux-next.

 drivers/pinctrl/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c
index 37cd774..78eae4d 100644
--- a/drivers/pinctrl/core.c
+++ b/drivers/pinctrl/core.c
@@ -129,7 +129,7 @@ struct pinctrl_dev *get_pinctrl_dev_from_of_node(struct device_node *np)
 			return pctldev;
 		}
 
-	mutex_lock(&pinctrldev_list_mutex);
+	mutex_unlock(&pinctrldev_list_mutex);
 
 	return NULL;
 }
-- 
1.8.1.4


             reply	other threads:[~2013-04-26 17:03 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-26 16:57 Daniel Mack [this message]
2013-04-29 12:47 ` [PATCH, for-next] pinctrl: fix mutex deadlock in get_pinctrl_dev_from_of_node() Linus Walleij

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