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authorPavel Machek <pavel@suse.cz>2006-08-31 22:02:11 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-25 21:08:38 -0700
commitbb84c89f94851161f387285d0a449b4a3f29f4df (patch)
tree6cda3e7cbfc57956f732de8f9c619625bcbba8ea /drivers/base/power
parent84ed64ee8f7dfd89f59857124dbeb8a350c6e03d (diff)
PM: device_suspend/resume may sleep
This adds warning when someone tries them from atomic context. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/power')
-rw-r--r--drivers/base/power/resume.c1
-rw-r--r--drivers/base/power/suspend.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/base/power/resume.c b/drivers/base/power/resume.c
index 48e3d49d7b65..7cb62d62c958 100644
--- a/drivers/base/power/resume.c
+++ b/drivers/base/power/resume.c
@@ -96,6 +96,7 @@ void dpm_resume(void)
void device_resume(void)
{
+ might_sleep();
down(&dpm_sem);
dpm_resume();
up(&dpm_sem);
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c
index 6453c25103d2..ece136bf97e3 100644
--- a/drivers/base/power/suspend.c
+++ b/drivers/base/power/suspend.c
@@ -140,6 +140,7 @@ int device_suspend(pm_message_t state)
{
int error = 0;
+ might_sleep();
down(&dpm_sem);
down(&dpm_list_sem);
while (!list_empty(&dpm_active) && error == 0) {