On Thu, May 16, 2019 at 09:55:26AM +0800, Kefeng Wang wrote: > Make some structs and functions static to fix build warning, parts of > warning shown below, > > amples/vfio-mdev/mtty.c:730:5: warning: symbol 'mtty_create' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:780:5: warning: symbol 'mtty_remove' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:802:5: warning: symbol 'mtty_reset' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:818:9: warning: symbol 'mtty_read' was not declared. > Should it be static? > samples/vfio-mdev/mtty.c:877:9: warning: symbol 'mtty_write' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:1070:5: warning: symbol 'mtty_get_region_info' was > not declared. Should it be static? > samples/vfio-mdev/mtty.c:1119:5: warning: symbol 'mtty_get_irq_info' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:1143:5: warning: symbol 'mtty_get_device_info' was > not declared. Should it be static? > samples/vfio-mdev/mtty.c:1275:5: warning: symbol 'mtty_open' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:1281:6: warning: symbol 'mtty_close' was not > declared. Should it be static? > samples/vfio-mdev/mtty.c:1305:30: warning: symbol 'mtty_dev_groups' was not > declared. Should it be static? >
FWIW, Reviewed-by: Andy Shevchenko <andriy.shevche...@linux.intel.com> > Cc: Andy Shevchenko <andriy.shevche...@linux.intel.com> > Cc: Alex Williamson <alex.william...@redhat.com> > Cc: Kirti Wankhede <kwankh...@nvidia.com> > Reported-by: Hulk Robot <hul...@huawei.com> > Signed-off-by: Kefeng Wang <wangkefeng.w...@huawei.com> > --- > samples/vfio-mdev/mtty.c | 44 ++++++++++++++++++++-------------------- > 1 file changed, 22 insertions(+), 22 deletions(-) > > diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c > index 1c77c370c92f..880eeac0c7c9 100644 > --- a/samples/vfio-mdev/mtty.c > +++ b/samples/vfio-mdev/mtty.c > @@ -72,7 +72,7 @@ > * Global Structures > */ > > -struct mtty_dev { > +static struct mtty_dev { > dev_t vd_devt; > struct class *vd_class; > struct cdev vd_cdev; > @@ -88,7 +88,7 @@ struct mdev_region_info { > }; > > #if defined(DEBUG_REGS) > -const char *wr_reg[] = { > +static const char *wr_reg[] = { > "TX", > "IER", > "FCR", > @@ -99,7 +99,7 @@ const char *wr_reg[] = { > "SCR" > }; > > -const char *rd_reg[] = { > +static const char *rd_reg[] = { > "RX", > "IER", > "IIR", > @@ -147,8 +147,8 @@ struct mdev_state { > int nr_ports; > }; > > -struct mutex mdev_list_lock; > -struct list_head mdev_devices_list; > +static struct mutex mdev_list_lock; > +static struct list_head mdev_devices_list; > > static const struct file_operations vd_fops = { > .owner = THIS_MODULE, > @@ -171,7 +171,7 @@ static struct mdev_state *find_mdev_state_by_uuid(const > guid_t *uuid) > return NULL; > } > > -void dump_buffer(u8 *buf, uint32_t count) > +static void dump_buffer(u8 *buf, uint32_t count) > { > #if defined(DEBUG) > int i; > @@ -727,7 +727,7 @@ static ssize_t mdev_access(struct mdev_device *mdev, u8 > *buf, size_t count, > return ret; > } > > -int mtty_create(struct kobject *kobj, struct mdev_device *mdev) > +static int mtty_create(struct kobject *kobj, struct mdev_device *mdev) > { > struct mdev_state *mdev_state; > char name[MTTY_STRING_LEN]; > @@ -777,7 +777,7 @@ int mtty_create(struct kobject *kobj, struct mdev_device > *mdev) > return 0; > } > > -int mtty_remove(struct mdev_device *mdev) > +static int mtty_remove(struct mdev_device *mdev) > { > struct mdev_state *mds, *tmp_mds; > struct mdev_state *mdev_state = mdev_get_drvdata(mdev); > @@ -799,7 +799,7 @@ int mtty_remove(struct mdev_device *mdev) > return ret; > } > > -int mtty_reset(struct mdev_device *mdev) > +static int mtty_reset(struct mdev_device *mdev) > { > struct mdev_state *mdev_state; > > @@ -815,7 +815,7 @@ int mtty_reset(struct mdev_device *mdev) > return 0; > } > > -ssize_t mtty_read(struct mdev_device *mdev, char __user *buf, size_t count, > +static ssize_t mtty_read(struct mdev_device *mdev, char __user *buf, size_t > count, > loff_t *ppos) > { > unsigned int done = 0; > @@ -874,7 +874,7 @@ ssize_t mtty_read(struct mdev_device *mdev, char __user > *buf, size_t count, > return -EFAULT; > } > > -ssize_t mtty_write(struct mdev_device *mdev, const char __user *buf, > +static ssize_t mtty_write(struct mdev_device *mdev, const char __user *buf, > size_t count, loff_t *ppos) > { > unsigned int done = 0; > @@ -1067,7 +1067,7 @@ static int mtty_trigger_interrupt(const guid_t *uuid) > return ret; > } > > -int mtty_get_region_info(struct mdev_device *mdev, > +static int mtty_get_region_info(struct mdev_device *mdev, > struct vfio_region_info *region_info, > u16 *cap_type_id, void **cap_type) > { > @@ -1116,7 +1116,7 @@ int mtty_get_region_info(struct mdev_device *mdev, > return 0; > } > > -int mtty_get_irq_info(struct mdev_device *mdev, struct vfio_irq_info > *irq_info) > +static int mtty_get_irq_info(struct mdev_device *mdev, struct vfio_irq_info > *irq_info) > { > switch (irq_info->index) { > case VFIO_PCI_INTX_IRQ_INDEX: > @@ -1140,7 +1140,7 @@ int mtty_get_irq_info(struct mdev_device *mdev, struct > vfio_irq_info *irq_info) > return 0; > } > > -int mtty_get_device_info(struct mdev_device *mdev, > +static int mtty_get_device_info(struct mdev_device *mdev, > struct vfio_device_info *dev_info) > { > dev_info->flags = VFIO_DEVICE_FLAGS_PCI; > @@ -1272,13 +1272,13 @@ static long mtty_ioctl(struct mdev_device *mdev, > unsigned int cmd, > return -ENOTTY; > } > > -int mtty_open(struct mdev_device *mdev) > +static int mtty_open(struct mdev_device *mdev) > { > pr_info("%s\n", __func__); > return 0; > } > > -void mtty_close(struct mdev_device *mdev) > +static void mtty_close(struct mdev_device *mdev) > { > pr_info("%s\n", __func__); > } > @@ -1302,7 +1302,7 @@ static const struct attribute_group mtty_dev_group = { > .attrs = mtty_dev_attrs, > }; > > -const struct attribute_group *mtty_dev_groups[] = { > +static const struct attribute_group *mtty_dev_groups[] = { > &mtty_dev_group, > NULL, > }; > @@ -1329,7 +1329,7 @@ static const struct attribute_group mdev_dev_group = { > .attrs = mdev_dev_attrs, > }; > > -const struct attribute_group *mdev_dev_groups[] = { > +static const struct attribute_group *mdev_dev_groups[] = { > &mdev_dev_group, > NULL, > }; > @@ -1351,7 +1351,7 @@ name_show(struct kobject *kobj, struct device *dev, > char *buf) > return -EINVAL; > } > > -MDEV_TYPE_ATTR_RO(name); > +static MDEV_TYPE_ATTR_RO(name); > > static ssize_t > available_instances_show(struct kobject *kobj, struct device *dev, char *buf) > @@ -1379,7 +1379,7 @@ available_instances_show(struct kobject *kobj, struct > device *dev, char *buf) > return sprintf(buf, "%d\n", (MAX_MTTYS - used)/ports); > } > > -MDEV_TYPE_ATTR_RO(available_instances); > +static MDEV_TYPE_ATTR_RO(available_instances); > > > static ssize_t device_api_show(struct kobject *kobj, struct device *dev, > @@ -1388,7 +1388,7 @@ static ssize_t device_api_show(struct kobject *kobj, > struct device *dev, > return sprintf(buf, "%s\n", VFIO_DEVICE_API_PCI_STRING); > } > > -MDEV_TYPE_ATTR_RO(device_api); > +static MDEV_TYPE_ATTR_RO(device_api); > > static struct attribute *mdev_types_attrs[] = { > &mdev_type_attr_name.attr, > @@ -1407,7 +1407,7 @@ static struct attribute_group mdev_type_group2 = { > .attrs = mdev_types_attrs, > }; > > -struct attribute_group *mdev_type_groups[] = { > +static struct attribute_group *mdev_type_groups[] = { > &mdev_type_group1, > &mdev_type_group2, > NULL, > -- > 2.20.1 > -- With Best Regards, Andy Shevchenko