@@ -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);
}
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> --- drivers/mmc/core/host.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-)