Commit 928e2140 authored Jul 14, 2015 by Neeti Desai

msm: ion: Update the permissions while making assign call



When freeing a secure buffer, the RWX permissions need to be
passed as a parameter to the hyp_assign call. This will ensure
that when the hypervisor unmaps the buffer, HLOS can use it
for data as well as instructions.

Change-Id: I2f1e67dda8f3ebedee552a2908b7f57c18754d42
Signed-off-by: Neeti Desai <neetid@codeaurora.org>

parent 35afb780

drivers/staging/android/ion/ion_system_secure_heap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -69,7 +69,7 @@ static void ion_system_secure_heap_free(struct ion_buffer *buffer)
		return;
		}
		dest_vmid = VMID_HLOS;
		dest_perms = PERM_READ \| PERM_WRITE;
		dest_perms = PERM_READ \| PERM_WRITE \| PERM_EXEC;

		ret = hyp_assign_table(buffer->priv_virt, &source_vm, 1,
		&dest_vmid, &dest_perms, 1);