If acpi_memory_enable_device() fails, acpi_memory_enable_device() will
return a non-zero value, which means we fail to bind the memory device
to this driver. So we should free memory device before acpi_memory_device_add()
returns.
Signed-off-by: Wen Congyang <wency@xxxxxxxxxxxxxx>
---
drivers/acpi/acpi_memhotplug.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index f6831d1..bb7bc66 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -454,9 +454,11 @@ static int acpi_memory_device_add(struct acpi_device *device)
if (!acpi_memory_check_device(mem_device)) {
/* call add_memory func */
result = acpi_memory_enable_device(mem_device);
- if (result)
+ if (result) {
printk(KERN_ERR PREFIX
"Error in acpi_memory_enable_device\n");
+ acpi_free_memory_device(mem_device);
+ }
}
return result;
}
--
1.7.1
--
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