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usb: move from strlcpy with unused retval to strscpy

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Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Reviewed-by: Richard Leitner <richard.leitner@skidata.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220818210116.7517-1-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wolfram Sang 2022-08-18 23:01:15 +02:00 committed by Greg Kroah-Hartman
parent c4c2fac94d
commit b7db5733a5
11 changed files with 18 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/atm/usbatm.c
View File

@ -1026,7 +1026,7 @@ int usbatm_usb_probe(struct usb_interface *intf, const struct usb_device_id *id,
/* public fields */
instance->driver = driver;
strlcpy(instance->driver_name, driver->driver_name,
strscpy(instance->driver_name, driver->driver_name,
sizeof(instance->driver_name));
instance->usb_dev = usb_dev;

2
drivers/usb/core/devio.c
View File

@ -1434,7 +1434,7 @@ static int proc_getdriver(struct usb_dev_state *ps, void __user *arg)
if (!intf || !intf->dev.driver)
ret = -ENODATA;
else {
strlcpy(gd.driver, intf->dev.driver->name,
strscpy(gd.driver, intf->dev.driver->name,
sizeof(gd.driver));
ret = (copy_to_user(arg, &gd, sizeof(gd)) ? -EFAULT : 0);
}

2
drivers/usb/gadget/function/f_fs.c
View File

@ -3700,7 +3700,7 @@ int ffs_name_dev(struct ffs_dev *dev, const char *name)
existing = _ffs_do_find_dev(name);
if (!existing)
strlcpy(dev->name, name, ARRAY_SIZE(dev->name));
strscpy(dev->name, name, ARRAY_SIZE(dev->name));
else if (existing != dev)
ret = -EBUSY;

2
drivers/usb/gadget/function/f_uvc.c
View File

@ -430,7 +430,7 @@ uvc_register_video(struct uvc_device *uvc)
uvc->vdev.vfl_dir = VFL_DIR_TX;
uvc->vdev.lock = &uvc->video.mutex;
uvc->vdev.device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
strlcpy(uvc->vdev.name, cdev->gadget->name, sizeof(uvc->vdev.name));
strscpy(uvc->vdev.name, cdev->gadget->name, sizeof(uvc->vdev.name));
video_set_drvdata(&uvc->vdev, uvc);

8
drivers/usb/gadget/function/u_ether.c
View File

@ -144,10 +144,10 @@ static void eth_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *p)
{
struct eth_dev *dev = netdev_priv(net);
strlcpy(p->driver, "g_ether", sizeof(p->driver));
strlcpy(p->version, UETH__VERSION, sizeof(p->version));
strlcpy(p->fw_version, dev->gadget->name, sizeof(p->fw_version));
strlcpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof(p->bus_info));
strscpy(p->driver, "g_ether", sizeof(p->driver));
strscpy(p->version, UETH__VERSION, sizeof(p->version));
strscpy(p->fw_version, dev->gadget->name, sizeof(p->fw_version));
strscpy(p->bus_info, dev_name(&dev->gadget->dev), sizeof(p->bus_info));
}
/* REVISIT can also support:

6
drivers/usb/gadget/function/uvc_v4l2.c
View File

@ -67,9 +67,9 @@ uvc_v4l2_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
struct uvc_device *uvc = video_get_drvdata(vdev);
struct usb_composite_dev *cdev = uvc->func.config->cdev;
strlcpy(cap->driver, "g_uvc", sizeof(cap->driver));
strlcpy(cap->card, cdev->gadget->name, sizeof(cap->card));
strlcpy(cap->bus_info, dev_name(&cdev->gadget->dev),
strscpy(cap->driver, "g_uvc", sizeof(cap->driver));
strscpy(cap->card, cdev->gadget->name, sizeof(cap->card));
strscpy(cap->bus_info, dev_name(&cdev->gadget->dev),
sizeof(cap->bus_info));
return 0;
}

2
drivers/usb/gadget/udc/omap_udc.c
View File

@ -2558,7 +2558,7 @@ omap_ep_setup(char *name, u8 addr, u8 type,
/* set up driver data structures */
BUG_ON(strlen(name) >= sizeof ep->name);
strlcpy(ep->name, name, sizeof ep->name);
strscpy(ep->name, name, sizeof(ep->name));
INIT_LIST_HEAD(&ep->queue);
INIT_LIST_HEAD(&ep->iso);
ep->bEndpointAddress = addr;

6
drivers/usb/misc/usb251xb.c
View File

@ -547,7 +547,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
hub->boost_up = USB251XB_DEF_BOOST_UP;
cproperty_char = of_get_property(np, "manufacturer", NULL);
strlcpy(str, cproperty_char ? : USB251XB_DEF_MANUFACTURER_STRING,
strscpy(str, cproperty_char ? : USB251XB_DEF_MANUFACTURER_STRING,
sizeof(str));
hub->manufacturer_len = strlen(str) & 0xFF;
memset(hub->manufacturer, 0, USB251XB_STRING_BUFSIZE);
@ -557,7 +557,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
USB251XB_STRING_BUFSIZE);
cproperty_char = of_get_property(np, "product", NULL);
strlcpy(str, cproperty_char ? : data->product_str, sizeof(str));
strscpy(str, cproperty_char ? : data->product_str, sizeof(str));
hub->product_len = strlen(str) & 0xFF;
memset(hub->product, 0, USB251XB_STRING_BUFSIZE);
len = min_t(size_t, USB251XB_STRING_BUFSIZE / 2, strlen(str));
@ -566,7 +566,7 @@ static int usb251xb_get_ofdata(struct usb251xb *hub,
USB251XB_STRING_BUFSIZE);
cproperty_char = of_get_property(np, "serial", NULL);
strlcpy(str, cproperty_char ? : USB251XB_DEF_SERIAL_STRING,
strscpy(str, cproperty_char ? : USB251XB_DEF_SERIAL_STRING,
sizeof(str));
hub->serial_len = strlen(str) & 0xFF;
memset(hub->serial, 0, USB251XB_STRING_BUFSIZE);

2
drivers/usb/storage/onetouch.c
View File

@ -201,7 +201,7 @@ static int onetouch_connect_input(struct us_data *ss)
onetouch->dev = input_dev;
if (udev->manufacturer)
strlcpy(onetouch->name, udev->manufacturer,
strscpy(onetouch->name, udev->manufacturer,
sizeof(onetouch->name));
if (udev->product) {
if (udev->manufacturer)

2
drivers/usb/typec/tcpm/fusb302.c
View File

@ -151,7 +151,7 @@ static void _fusb302_log(struct fusb302_chip *chip, const char *fmt,
if (fusb302_log_full(chip)) {
chip->logbuffer_head = max(chip->logbuffer_head - 1, 0);
strlcpy(tmpbuffer, "overflow", sizeof(tmpbuffer));
strscpy(tmpbuffer, "overflow", sizeof(tmpbuffer));
}
if (chip->logbuffer_head < 0 ||

2
drivers/usb/usbip/stub_main.c
View File

@ -100,7 +100,7 @@ static int add_match_busid(char *busid)
for (i = 0; i < MAX_BUSID; i++) {
spin_lock(&busid_table[i].busid_lock);
if (!busid_table[i].name[0]) {
strlcpy(busid_table[i].name, busid, BUSID_SIZE);
strscpy(busid_table[i].name, busid, BUSID_SIZE);
if ((busid_table[i].status != STUB_BUSID_ALLOC) &&
(busid_table[i].status != STUB_BUSID_REMOV))
busid_table[i].status = STUB_BUSID_ADDED;