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-rw-r--r--drivers/acpi/scan.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 9a84ed250d9f..5b049cd79553 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -6,7 +6,8 @@
6#include <linux/init.h> 6#include <linux/init.h>
7#include <linux/kernel.h> 7#include <linux/kernel.h>
8#include <linux/acpi.h> 8#include <linux/acpi.h>
9#include <asm/signal.h> 9#include <linux/signal.h>
10#include <linux/kthread.h>
10 11
11#include <acpi/acpi_drivers.h> 12#include <acpi/acpi_drivers.h>
12#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */ 13#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */
@@ -154,6 +155,7 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
154 acpi_status status; 155 acpi_status status;
155 acpi_object_type type = 0; 156 acpi_object_type type = 0;
156 struct acpi_device *acpi_device = to_acpi_device(d); 157 struct acpi_device *acpi_device = to_acpi_device(d);
158 struct task_struct *task;
157 159
158 if ((!count) || (buf[0] != '1')) { 160 if ((!count) || (buf[0] != '1')) {
159 return -EINVAL; 161 return -EINVAL;
@@ -171,9 +173,11 @@ acpi_eject_store(struct device *d, struct device_attribute *attr,
171 } 173 }
172 174
173 /* remove the device in another thread to fix the deadlock issue */ 175 /* remove the device in another thread to fix the deadlock issue */
174 ret = kernel_thread(acpi_bus_hot_remove_device, 176 task = kthread_run(acpi_bus_hot_remove_device,
175 acpi_device->handle, SIGCHLD); 177 acpi_device->handle, "acpi_hot_remove_device");
176 err: 178 if (IS_ERR(task))
179 ret = PTR_ERR(task);
180err:
177 return ret; 181 return ret;
178} 182}
179 183