[PATCH 4.4 026/193] staging: android: ashmem: Fix a race condition in pin ioctls

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Ben Hutchings commit ce8a3a9e76d0193e2e8d74a06d275b3c324ca652 upstream. ashmem_pin_unpin() reads asma->file and asma->size before taking the ashmem_mutex, so it can race

[PATCH 4.4 026/193] staging: android: ashmem: Fix a race condition in pin ioctls

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Ben Hutchings commit ce8a3a9e76d0193e2e8d74a06d275b3c324ca652 upstream. ashmem_pin_unpin() reads asma->file and asma->size before taking the ashmem_mutex, so it can race with other operations