summaryrefslogtreecommitdiff
path: root/drivers/misc/mei
diff options
context:
space:
mode:
authorBjorn Helgaas <bhelgaas@google.com>2024-02-29 21:12:58 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-03-05 17:28:02 +0300
commitd6543805a8ad6ffcddf5ffdfb3b27dcee3806474 (patch)
treebe788b5b90e0c5af5a17038b806bea49611ff433 /drivers/misc/mei
parente0014ce72e093901f1e9dfff9aea40eefa3ae930 (diff)
downloadlinux-d6543805a8ad6ffcddf5ffdfb3b27dcee3806474.tar.xz
mei: gsc: remove unnecessary NULL pointer checks
The .remove() and power management callbacks are never called unless .probe() has already returned success, which means it has set drvdata to a non-NULL pointer, so "dev" can never be NULL in the other callbacks. Remove the unnecessary checks. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Link: https://lore.kernel.org/r/20240229181300.352077-2-helgaas@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
-rw-r--r--drivers/misc/mei/gsc-me.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c
index 9e558ec2ea1d..5a8c26c3df13 100644
--- a/drivers/misc/mei/gsc-me.c
+++ b/drivers/misc/mei/gsc-me.c
@@ -144,9 +144,6 @@ static void mei_gsc_remove(struct auxiliary_device *aux_dev)
struct mei_me_hw *hw;
dev = dev_get_drvdata(&aux_dev->dev);
- if (!dev)
- return;
-
hw = to_me_hw(dev);
mei_stop(dev);
@@ -168,9 +165,6 @@ static int __maybe_unused mei_gsc_pm_suspend(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mei_stop(dev);
mei_disable_interrupts(dev);
@@ -186,9 +180,6 @@ static int __maybe_unused mei_gsc_pm_resume(struct device *device)
int err;
struct mei_me_hw *hw;
- if (!dev)
- return -ENODEV;
-
hw = to_me_hw(dev);
aux_dev = to_auxiliary_dev(device);
adev = auxiliary_dev_to_mei_aux_dev(aux_dev);
@@ -211,8 +202,6 @@ static int __maybe_unused mei_gsc_pm_runtime_idle(struct device *device)
{
struct mei_device *dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -225,9 +214,6 @@ static int __maybe_unused mei_gsc_pm_runtime_suspend(struct device *device)
struct mei_me_hw *hw;
int ret;
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev)) {
@@ -252,9 +238,6 @@ static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device)
struct mei_me_hw *hw;
irqreturn_t irq_ret;
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
hw = to_me_hw(dev);