diff options
Diffstat (limited to 'drivers/memstick/core/memstick.c')
| -rw-r--r-- | drivers/memstick/core/memstick.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/memstick/core/memstick.c b/drivers/memstick/core/memstick.c index 4303b7ef73e2..e9a3eab7b0cf 100644 --- a/drivers/memstick/core/memstick.c +++ b/drivers/memstick/core/memstick.c @@ -511,14 +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); |