msm: ocmem: Add zone initialization checks
Since OCMEM zones can vary based on the target
add an initialization flag for each zone.
Also restrict each client to only operate on
active zones.
Change-Id: Iccac64fea277f833034ddfe71cce084060cfa16d
Signed-off-by: Naveen Ramaraj <nramaraj@codeaurora.org>
diff --git a/arch/arm/mach-msm/ocmem_notifier.c b/arch/arm/mach-msm/ocmem_notifier.c
index 9fbcd73..644c809 100644
--- a/arch/arm/mach-msm/ocmem_notifier.c
+++ b/arch/arm/mach-msm/ocmem_notifier.c
@@ -82,6 +82,12 @@
return NULL;
}
+ if (!zone_active(client_id)) {
+ pr_err("ocmem: Client %s (id: %d) not allowed to use OCMEM\n",
+ get_name(client_id), client_id);
+ return NULL;
+ }
+
if (!nb) {
pr_err("ocmem: Invalid Notifier Block\n");
return NULL;