Commit d5a047fd authored Jan 13, 2018 by Linus Torvalds

staging

Pull staging driver fix from Greg KH:
 "Here is a single android ashmem bugfix that resolves a reported issue
  in that interface. It's been in linux-next this week with no reported
  issues"

* tag 'staging-4.15-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: android: ashmem: fix a race condition in ASHMEM_SET_SIZE ioctl

parents 9e8f8f1e 443064cb

drivers/staging/android/ashmem.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -765,10 +765,12 @@ static long ashmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
		break;
		case ASHMEM_SET_SIZE:
		ret = -EINVAL;
		mutex_lock(&ashmem_mutex);
		if (!asma->file) {
		ret = 0;
		asma->size = (size_t)arg;
		}
		mutex_unlock(&ashmem_mutex);
		break;
		case ASHMEM_GET_SIZE:
		ret = asma->size;