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Date: Thu, 16 May 2019 09:55:26 +0800
From: Kefeng Wang <wangkefeng.wang@...wei.com>
To: <linux-kernel@...r.kernel.org>
CC: Kefeng Wang <wangkefeng.wang@...wei.com>,
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Alex Williamson <alex.williamson@...hat.com>,
Kirti Wankhede <kwankhede@...dia.com>,
"Hulk Robot" <hulkci@...wei.com>
Subject: [PATCH] vfio-mdev/samples: make some symbols static
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?
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Alex Williamson <alex.williamson@...hat.com>
Cc: Kirti Wankhede <kwankhede@...dia.com>
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.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
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