Messages in this thread Patch in this message | | | From | Greg KH <> | Subject | [PATCH 24/47] PM: device_suspend/resume may sleep | Date | Mon, 25 Sep 2006 22:37:44 -0700 |
| |
From: Pavel Machek <pavel@suse.cz>
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> --- drivers/base/power/resume.c | 1 + 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 48e3d49..7cb62d6 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 6453c25..ece136b 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) { -- 1.4.2.1 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |