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-rw-r--r--kernel/power/nvs.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/power/nvs.c b/kernel/power/nvs.c
index 1836db60bbb6..57c6fabbb6b6 100644
--- a/kernel/power/nvs.c
+++ b/kernel/power/nvs.c
@@ -105,7 +105,7 @@ int suspend_nvs_alloc(void)
/**
* suspend_nvs_save - save NVS memory regions
*/
-void suspend_nvs_save(void)
+int suspend_nvs_save(void)
{
struct nvs_page *entry;
@@ -114,8 +114,14 @@ void suspend_nvs_save(void)
list_for_each_entry(entry, &nvs_list, node)
if (entry->data) {
entry->kaddr = ioremap(entry->phys_start, entry->size);
+ if (!entry->kaddr) {
+ suspend_nvs_free();
+ return -ENOMEM;
+ }
memcpy(entry->data, entry->kaddr, entry->size);
}
+
+ return 0;
}
/**