diff options
| -rw-r--r-- | drivers/iommu/amd_iommu_v2.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c index b6398d7285f7..5cc140969b43 100644 --- a/drivers/iommu/amd_iommu_v2.c +++ b/drivers/iommu/amd_iommu_v2.c | |||
| @@ -266,14 +266,7 @@ static void put_pasid_state(struct pasid_state *pasid_state) | |||
| 266 | 266 | ||
| 267 | static void put_pasid_state_wait(struct pasid_state *pasid_state) | 267 | static void put_pasid_state_wait(struct pasid_state *pasid_state) |
| 268 | { | 268 | { |
| 269 | DEFINE_WAIT(wait); | 269 | wait_event(pasid_state->wq, !atomic_read(&pasid_state->count)); |
| 270 | |||
| 271 | prepare_to_wait(&pasid_state->wq, &wait, TASK_UNINTERRUPTIBLE); | ||
| 272 | |||
| 273 | if (!atomic_dec_and_test(&pasid_state->count)) | ||
| 274 | schedule(); | ||
| 275 | |||
| 276 | finish_wait(&pasid_state->wq, &wait); | ||
| 277 | free_pasid_state(pasid_state); | 270 | free_pasid_state(pasid_state); |
| 278 | } | 271 | } |
| 279 | 272 | ||
