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path: root/drivers/memstick/core/mspro_block.c
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Diffstat (limited to 'drivers/memstick/core/mspro_block.c')
-rw-r--r--drivers/memstick/core/mspro_block.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/memstick/core/mspro_block.c b/drivers/memstick/core/mspro_block.c
index 02362eccc588..a167938d4517 100644
--- a/drivers/memstick/core/mspro_block.c
+++ b/drivers/memstick/core/mspro_block.c
@@ -1206,10 +1206,12 @@ static int mspro_block_init_disk(struct memstick_dev *card)
msb->page_size = be16_to_cpu(sys_info->unit_size);
- if (!idr_pre_get(&mspro_block_disk_idr, GFP_KERNEL))
+ mutex_lock(&mspro_block_disk_lock);
+ if (!idr_pre_get(&mspro_block_disk_idr, GFP_KERNEL)) {
+ mutex_unlock(&mspro_block_disk_lock);
return -ENOMEM;
+ }
- mutex_lock(&mspro_block_disk_lock);
rc = idr_get_new(&mspro_block_disk_idr, card, &disk_id);
mutex_unlock(&mspro_block_disk_lock);