| Message ID | 20220923092652.100656-10-hch@lst.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [01/14] drm/i915/gvt: fix a memory leak in intel_gvt_init_vgpu_types | expand |
On Fri, 2022-09-23 at 11:26 +0200, Christoph Hellwig wrote: > Just open code the dereferences in the only user. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> > Reviewed-by: Jason J. Herne <jjherne@linux.ibm.com> > Reviewed-by: Kevin Tian <kevin.tian@intel.com> > Reviewed-by: Kirti Wankhede <kwankhede@nvidia.com> Reviewed-by: Eric Farman <farman@linux.ibm.com> > --- > drivers/s390/cio/vfio_ccw_ops.c | 3 +-- > drivers/vfio/mdev/mdev_core.c | 10 ---------- > include/linux/mdev.h | 2 -- > 3 files changed, 1 insertion(+), 14 deletions(-) > > diff --git a/drivers/s390/cio/vfio_ccw_ops.c > b/drivers/s390/cio/vfio_ccw_ops.c > index c37e712a4b069..3db6251b31143 100644 > --- a/drivers/s390/cio/vfio_ccw_ops.c > +++ b/drivers/s390/cio/vfio_ccw_ops.c > @@ -62,8 +62,7 @@ static ssize_t available_instances_show(struct > mdev_type *mtype, > struct mdev_type_attribute > *attr, > char *buf) > { > - struct vfio_ccw_private *private = > - dev_get_drvdata(mtype_get_parent_dev(mtype)); > + struct vfio_ccw_private *private = dev_get_drvdata(mtype- > >parent->dev); > > return sprintf(buf, "%d\n", atomic_read(&private->avail)); > } > diff --git a/drivers/vfio/mdev/mdev_core.c > b/drivers/vfio/mdev/mdev_core.c > index 75628759a3bf0..93f8caf2e5f77 100644 > --- a/drivers/vfio/mdev/mdev_core.c > +++ b/drivers/vfio/mdev/mdev_core.c > @@ -23,16 +23,6 @@ static struct class_compat *mdev_bus_compat_class; > static LIST_HEAD(mdev_list); > static DEFINE_MUTEX(mdev_list_lock); > > -/* > - * Used in mdev_type_attribute sysfs functions to return the parent > struct > - * device > - */ > -struct device *mtype_get_parent_dev(struct mdev_type *mtype) > -{ > - return mtype->parent->dev; > -} > -EXPORT_SYMBOL(mtype_get_parent_dev); > - > /* Caller must hold parent unreg_sem read or write lock */ > static void mdev_device_remove_common(struct mdev_device *mdev) > { > diff --git a/include/linux/mdev.h b/include/linux/mdev.h > index bbedffcb38d48..e445f809ceca3 100644 > --- a/include/linux/mdev.h > +++ b/include/linux/mdev.h > @@ -51,8 +51,6 @@ static inline struct mdev_device > *to_mdev_device(struct device *dev) > return container_of(dev, struct mdev_device, dev); > } > > -struct device *mtype_get_parent_dev(struct mdev_type *mtype); > - > /* interface for exporting mdev supported type attributes */ > struct mdev_type_attribute { > struct attribute attr;
diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index c37e712a4b069..3db6251b31143 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -62,8 +62,7 @@ static ssize_t available_instances_show(struct mdev_type *mtype, struct mdev_type_attribute *attr, char *buf) { - struct vfio_ccw_private *private = - dev_get_drvdata(mtype_get_parent_dev(mtype)); + struct vfio_ccw_private *private = dev_get_drvdata(mtype->parent->dev); return sprintf(buf, "%d\n", atomic_read(&private->avail)); } diff --git a/drivers/vfio/mdev/mdev_core.c b/drivers/vfio/mdev/mdev_core.c index 75628759a3bf0..93f8caf2e5f77 100644 --- a/drivers/vfio/mdev/mdev_core.c +++ b/drivers/vfio/mdev/mdev_core.c @@ -23,16 +23,6 @@ static struct class_compat *mdev_bus_compat_class; static LIST_HEAD(mdev_list); static DEFINE_MUTEX(mdev_list_lock); -/* - * Used in mdev_type_attribute sysfs functions to return the parent struct - * device - */ -struct device *mtype_get_parent_dev(struct mdev_type *mtype) -{ - return mtype->parent->dev; -} -EXPORT_SYMBOL(mtype_get_parent_dev); - /* Caller must hold parent unreg_sem read or write lock */ static void mdev_device_remove_common(struct mdev_device *mdev) { diff --git a/include/linux/mdev.h b/include/linux/mdev.h index bbedffcb38d48..e445f809ceca3 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -51,8 +51,6 @@ static inline struct mdev_device *to_mdev_device(struct device *dev) return container_of(dev, struct mdev_device, dev); } -struct device *mtype_get_parent_dev(struct mdev_type *mtype); - /* interface for exporting mdev supported type attributes */ struct mdev_type_attribute { struct attribute attr;