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authorThomas Gleixner <tglx@linutronix.de>2018-01-27 15:35:29 +0100
committerThomas Gleixner <tglx@linutronix.de>2018-01-27 15:35:29 +0100
commit303c146df1c4574db3495d9acc5c440dd46c6b0f (patch)
treefbcea289aea24da8a44c7677a776988bb3c8bcbe /drivers/mux/core.c
parentusb/gadget/NCM: Replace tasklet with softirq hrtimer (diff)
parenthrtimer: Reset hrtimer cpu base proper on CPU hotplug (diff)
downloadlinux-dev-303c146df1c4574db3495d9acc5c440dd46c6b0f.tar.xz
linux-dev-303c146df1c4574db3495d9acc5c440dd46c6b0f.zip
Merge branch 'timers/urgent' into timers/core
Pick up urgent bug fix and resolve the conflict. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mux/core.c')
-rw-r--r--drivers/mux/core.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mux/core.c b/drivers/mux/core.c
index 2260063b0ea8..6e5cf9d9cd99 100644
--- a/drivers/mux/core.c
+++ b/drivers/mux/core.c
@@ -413,6 +413,7 @@ static int of_dev_node_match(struct device *dev, const void *data)
return dev->of_node == data;
}
+/* Note this function returns a reference to the mux_chip dev. */
static struct mux_chip *of_find_mux_chip_by_node(struct device_node *np)
{
struct device *dev;
@@ -466,6 +467,7 @@ struct mux_control *mux_control_get(struct device *dev, const char *mux_name)
(!args.args_count && (mux_chip->controllers > 1))) {
dev_err(dev, "%pOF: wrong #mux-control-cells for %pOF\n",
np, args.np);
+ put_device(&mux_chip->dev);
return ERR_PTR(-EINVAL);
}
@@ -476,10 +478,10 @@ struct mux_control *mux_control_get(struct device *dev, const char *mux_name)
if (controller >= mux_chip->controllers) {
dev_err(dev, "%pOF: bad mux controller %u specified in %pOF\n",
np, controller, args.np);
+ put_device(&mux_chip->dev);
return ERR_PTR(-EINVAL);
}
- get_device(&mux_chip->dev);
return &mux_chip->mux[controller];
}
EXPORT_SYMBOL_GPL(mux_control_get);