| Submitter | Herton Ronaldo Krzesinski |
|---|---|
| Date | Nov. 22, 2012, 4:46 a.m. |
| Message ID | <1353559581-32616-1-git-send-email-herton.krzesinski@canonical.com> |
| Download | mbox | patch |
| Permalink | /patch/200949/ |
| State | New |
| Headers | show |
Comments
Patch
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c index 43f474c..baee2cc 100644 --- a/drivers/pinctrl/pinconf.c +++ b/drivers/pinctrl/pinconf.c @@ -537,8 +537,6 @@ static int pinconf_groups_show(struct seq_file *s, void *what) seq_puts(s, "Pin config settings per pin group\n"); seq_puts(s, "Format: group (name): configs\n"); - mutex_lock(&pinctrl_mutex); - while (selector < ngroups) { const char *gname = pctlops->get_group_name(pctldev, selector); @@ -549,8 +547,6 @@ static int pinconf_groups_show(struct seq_file *s, void *what) selector++; } - mutex_unlock(&pinctrl_mutex); - return 0; }
This is a note to let you know that I have just added a patch titled pinctrl: remove mutex lock in groups show to the linux-3.5.y-queue branch of the 3.5.yuz extended stable tree which can be found at: http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.5.yuz tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Herton ------ From 450091ce99a9b877929d27be2da93a114413707d Mon Sep 17 00:00:00 2001 From: Haojian Zhuang <haojian.zhuang@gmail.com> Date: Thu, 18 Oct 2012 17:07:01 +0800 Subject: [PATCH] pinctrl: remove mutex lock in groups show commit 7ae9d71e8df27a3ab60a05ae3add08728debc09c upstream. Mutex is locked duplicatly by pinconf_groups_show() and pin_config_group_get(). It results dead lock. So avoid to lock mutex in pinconf_groups_show(). Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com> --- drivers/pinctrl/pinconf.c | 4 ---- 1 file changed, 4 deletions(-) -- 1.7.9.5