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drivers/base: fix devres handling for master device

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We weren't handling the devres issues for the master device failing a
bind, or being unbound properly.  Add a devres group to contain these,
and release the resources at the appropriate points.

Signed-off-by: Russell King <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Russell King authored and Greg Kroah-Hartman committed 2014-02-07 16:45:14 -08:00
1 parent da9846ae15
commit 9e1ccb4a77
1 file changed
+8
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drivers/base/component.c
+8
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@@ -133,9 +133,16 @@ static int try_to_bring_up_master(struct master *master,
goto out;
}
if (!devres_open_group(master->dev, NULL, GFP_KERNEL)) {
ret = -ENOMEM;
goto out;
}
/* Found all components */
ret = master->ops->bind(master->dev);
if (ret < 0) {
devres_release_group(master->dev, NULL);
dev_info(master->dev, "master bind failed: %d\n", ret);
master_remove_components(master);
goto out;
}
@@ -166,6 +173,7 @@ static void take_down_master(struct master *master)
{
if (master->bound) {
master->ops->unbind(master->dev);
devres_release_group(master->dev, NULL);
master->bound = false;
}