Message ID | 20250319114324.791829-1-colin.i.king@gmail.com |
---|---|
State | Accepted |
Commit | 3860cbe239639503e56bd4365c6bf4cb957ef04e |
Headers | show |
Series | [next] PM: sleep: Fix bit masking operation | expand |
On Wed, Mar 19, 2025 at 12:44 PM Colin Ian King <colin.i.king@gmail.com> wrote: > > The mask operation link->flags | DL_FLAG_PM_RUNTIME is always true which > is incorrect. The mask operation should be using the bit-wise & > operator. Fix this. > > Fixes: bca84a7b93fd ("PM: sleep: Use DPM_FLAG_SMART_SUSPEND conditionally") > Signed-off-by: Colin Ian King <colin.i.king@gmail.com> > --- > drivers/base/power/main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c > index ad50018b8047..ac2a197c1234 100644 > --- a/drivers/base/power/main.c > +++ b/drivers/base/power/main.c > @@ -1836,7 +1836,7 @@ static bool device_prepare_smart_suspend(struct device *dev) > idx = device_links_read_lock(); > > list_for_each_entry_rcu_locked(link, &dev->links.suppliers, c_node) { > - if (!(link->flags | DL_FLAG_PM_RUNTIME)) > + if (!(link->flags & DL_FLAG_PM_RUNTIME)) > continue; > > if (!dev_pm_smart_suspend(link->supplier) && > -- Ouch, thanks for the fix! Applied.
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index ad50018b8047..ac2a197c1234 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -1836,7 +1836,7 @@ static bool device_prepare_smart_suspend(struct device *dev) idx = device_links_read_lock(); list_for_each_entry_rcu_locked(link, &dev->links.suppliers, c_node) { - if (!(link->flags | DL_FLAG_PM_RUNTIME)) + if (!(link->flags & DL_FLAG_PM_RUNTIME)) continue; if (!dev_pm_smart_suspend(link->supplier) &&
The mask operation link->flags | DL_FLAG_PM_RUNTIME is always true which is incorrect. The mask operation should be using the bit-wise & operator. Fix this. Fixes: bca84a7b93fd ("PM: sleep: Use DPM_FLAG_SMART_SUSPEND conditionally") Signed-off-by: Colin Ian King <colin.i.king@gmail.com> --- drivers/base/power/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)