These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / base / memory.c

diff --git a/kernel/drivers/base/memory.c b/kernel/drivers/base/memory.c
index 2804aed..25425d3 100644 (file)
--- a/kernel/drivers/base/memory.c
+++ b/kernel/drivers/base/memory.c
@@ -303,6 +303,10 @@ static int memory_subsys_offline(struct device *dev)
        if (mem->state == MEM_OFFLINE)
                return 0;
 
+       /* Can't offline block with non-present sections */
+       if (mem->section_count != sections_per_block)
+               return -EINVAL;
+
        return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE);
 }