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| author | Pavel Machek <pavel@suse.cz> | 2006-09-01 07:02:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-26 06:08:38 +0200 |
| commit | bb84c89f94851161f387285d0a449b4a3f29f4df (patch) | |
| tree | 6cda3e7cbfc57956f732de8f9c619625bcbba8ea | |
| parent | PM: add /sys/power documentation to Documentation/ABI (diff) | |
| download | linux-bb84c89f94851161f387285d0a449b4a3f29f4df.tar.xz linux-bb84c89f94851161f387285d0a449b4a3f29f4df.zip | |
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>
| -rw-r--r-- | drivers/base/power/resume.c | 1 | ||||
| -rw-r--r-- | drivers/base/power/suspend.c | 1 |
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) { |