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mmc: core: Free all resources for the class device at ->dev_release()

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To be consistent when freeing data, let's move the idr_remove() call
from mmc_free_host() into the ->dev_release() callback for the class
device.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Ulf Hansson 2014-12-18 15:44:35 +01:00
parent 7f133de1fb
commit e2d1926bad
1 changed files with 6 additions and 7 deletions
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13
drivers/mmc/core/host.c
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@ -32,10 +32,16 @@
#define cls_dev_to_mmc_host(d) container_of(d, struct mmc_host, class_dev)
static DEFINE_IDR(mmc_host_idr);
static DEFINE_SPINLOCK(mmc_host_lock);
static void mmc_host_classdev_release(struct device *dev)
{
struct mmc_host *host = cls_dev_to_mmc_host(dev);
mutex_destroy(&host->slot.lock);
spin_lock(&mmc_host_lock);
idr_remove(&mmc_host_idr, host->index);
spin_unlock(&mmc_host_lock);
kfree(host);
}
@ -54,9 +60,6 @@ void mmc_unregister_host_class(void)
class_unregister(&mmc_host_class);
}
static DEFINE_IDR(mmc_host_idr);
static DEFINE_SPINLOCK(mmc_host_lock);
#ifdef CONFIG_MMC_CLKGATE
static ssize_t clkgate_delay_show(struct device *dev,
struct device_attribute *attr, char *buf)
@ -585,10 +588,6 @@ EXPORT_SYMBOL(mmc_remove_host);
*/
void mmc_free_host(struct mmc_host *host)
{
spin_lock(&mmc_host_lock);
idr_remove(&mmc_host_idr, host->index);
spin_unlock(&mmc_host_lock);
put_device(&host->class_dev);
}