amdgpu: Take a lock before removing devices from fd_tab hash table.
Close the file descriptors under lock as well.
v2: close fds after removing from hash table
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/amdgpu/amdgpu_device.c b/amdgpu/amdgpu_device.c
index 983b19a..e23dd3b 100644
--- a/amdgpu/amdgpu_device.c
+++ b/amdgpu/amdgpu_device.c
@@ -126,6 +126,13 @@
static void amdgpu_device_free_internal(amdgpu_device_handle dev)
{
+ pthread_mutex_lock(&fd_mutex);
+ util_hash_table_remove(fd_tab, UINT_TO_PTR(dev->fd));
+ close(dev->fd);
+ if ((dev->flink_fd >= 0) && (dev->fd != dev->flink_fd))
+ close(dev->flink_fd);
+ pthread_mutex_unlock(&fd_mutex);
+
amdgpu_vamgr_deinit(&dev->vamgr_32);
amdgpu_vamgr_deinit(&dev->vamgr);
amdgpu_vamgr_deinit(&dev->vamgr_high_32);
@@ -133,10 +140,6 @@
util_hash_table_destroy(dev->bo_flink_names);
util_hash_table_destroy(dev->bo_handles);
pthread_mutex_destroy(&dev->bo_table_mutex);
- util_hash_table_remove(fd_tab, UINT_TO_PTR(dev->fd));
- close(dev->fd);
- if ((dev->flink_fd >= 0) && (dev->fd != dev->flink_fd))
- close(dev->flink_fd);
free(dev->marketing_name);
free(dev);
}