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path: root/drivers/memstick/core/memstick.c
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Diffstat (limited to 'drivers/memstick/core/memstick.c')
-rw-r--r--drivers/memstick/core/memstick.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c
index c00fe8253c51..e9a3eab7b0cf 100644
--- a/drivers/memstick/core/memstick.c
+++ b/drivers/memstick/core/memstick.c
@@ -465,6 +465,7 @@ static void memstick_check(struct work_struct *work)
if (!host->card) {
host->card = card;
if (device_register(&card->dev)) {
+ put_device(&card->dev);
kfree(host->card);
host->card = NULL;
}
@@ -510,14 +511,18 @@ int memstick_add_host(struct memstick_host *host)
{
int rc;
- if (!idr_pre_get(&memstick_host_idr, GFP_KERNEL))
- return -ENOMEM;
+ while (1) {
+ if (!idr_pre_get(&memstick_host_idr, GFP_KERNEL))
+ return -ENOMEM;
- spin_lock(&memstick_host_lock);
- rc = idr_get_new(&memstick_host_idr, host, &host->id);
- spin_unlock(&memstick_host_lock);
- if (rc)
- return rc;
+ spin_lock(&memstick_host_lock);
+ rc = idr_get_new(&memstick_host_idr, host, &host->id);
+ spin_unlock(&memstick_host_lock);
+ if (!rc)
+ break;
+ else if (rc != -EAGAIN)
+ return rc;
+ }
dev_set_name(&host->dev, "memstick%u", host->id);