Commit 085aa2de authored by Arvind Yadav's avatar Arvind Yadav Committed by Greg Kroah-Hartman
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mm: memory_hotplug: use put_device() if device_register fail

if device_register() returned an error. Always use put_device()
to give up the initialized reference and release allocated memory.
Signed-off-by: default avatarArvind Yadav <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
parent 13509860
......@@ -649,13 +649,19 @@ static const struct attribute_group *memory_memblk_attr_groups[] = {
int register_memory(struct memory_block *memory)
int ret;
memory->dev.bus = &memory_subsys;
memory-> = memory->start_section_nr / sections_per_block;
memory->dev.release = memory_block_release;
memory->dev.groups = memory_memblk_attr_groups;
memory->dev.offline = memory->state == MEM_OFFLINE;
return device_register(&memory->dev);
ret = device_register(&memory->dev);
if (ret)
return ret;
static int init_memory_block(struct memory_block **memory,
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