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path: root/drivers/mux/core.c
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-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)
413 return dev->of_node == data; 413 return dev->of_node == data;
414} 414}
415 415
416/* Note this function returns a reference to the mux_chip dev. */
416static struct mux_chip *of_find_mux_chip_by_node(struct device_node *np) 417static struct mux_chip *of_find_mux_chip_by_node(struct device_node *np)
417{ 418{
418 struct device *dev; 419 struct device *dev;
@@ -466,6 +467,7 @@ struct mux_control *mux_control_get(struct device *dev, const char *mux_name)
466 (!args.args_count && (mux_chip->controllers > 1))) { 467 (!args.args_count && (mux_chip->controllers > 1))) {
467 dev_err(dev, "%pOF: wrong #mux-control-cells for %pOF\n", 468 dev_err(dev, "%pOF: wrong #mux-control-cells for %pOF\n",
468 np, args.np); 469 np, args.np);
470 put_device(&mux_chip->dev);
469 return ERR_PTR(-EINVAL); 471 return ERR_PTR(-EINVAL);
470 } 472 }
471 473
@@ -476,10 +478,10 @@ struct mux_control *mux_control_get(struct device *dev, const char *mux_name)
476 if (controller >= mux_chip->controllers) { 478 if (controller >= mux_chip->controllers) {
477 dev_err(dev, "%pOF: bad mux controller %u specified in %pOF\n", 479 dev_err(dev, "%pOF: bad mux controller %u specified in %pOF\n",
478 np, controller, args.np); 480 np, controller, args.np);
481 put_device(&mux_chip->dev);
479 return ERR_PTR(-EINVAL); 482 return ERR_PTR(-EINVAL);
480 } 483 }
481 484
482 get_device(&mux_chip->dev);
483 return &mux_chip->mux[controller]; 485 return &mux_chip->mux[controller];
484} 486}
485EXPORT_SYMBOL_GPL(mux_control_get); 487EXPORT_SYMBOL_GPL(mux_control_get);