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path: root/drivers/usb/core
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Diffstat (limited to 'drivers/usb/core')
-rw-r--r--drivers/usb/core/devio.c26
-rw-r--r--drivers/usb/core/hub.c25
-rw-r--r--drivers/usb/core/hub.h2
3 files changed, 40 insertions, 13 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 4f68f6ef3cc1..3beb6a862e80 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -2642,21 +2642,24 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
snoop(&dev->dev, "%s: CONTROL\n", __func__);
ret = proc_control(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_BULK:
snoop(&dev->dev, "%s: BULK\n", __func__);
ret = proc_bulk(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_RESETEP:
snoop(&dev->dev, "%s: RESETEP\n", __func__);
ret = proc_resetep(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_RESET:
@@ -2668,7 +2671,8 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
snoop(&dev->dev, "%s: CLEAR_HALT\n", __func__);
ret = proc_clearhalt(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_GETDRIVER:
@@ -2695,7 +2699,8 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
snoop(&dev->dev, "%s: SUBMITURB\n", __func__);
ret = proc_submiturb(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
#ifdef CONFIG_COMPAT
@@ -2703,14 +2708,16 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
snoop(&dev->dev, "%s: CONTROL32\n", __func__);
ret = proc_control_compat(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_BULK32:
snoop(&dev->dev, "%s: BULK32\n", __func__);
ret = proc_bulk_compat(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_DISCSIGNAL32:
@@ -2722,7 +2729,8 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
snoop(&dev->dev, "%s: SUBMITURB32\n", __func__);
ret = proc_submiturb_compat(ps, p);
if (ret >= 0)
- inode->i_mtime = inode_set_ctime_current(inode);
+ inode_set_mtime_to_ts(inode,
+ inode_set_ctime_current(inode));
break;
case USBDEVFS_IOCTL32:
@@ -2804,7 +2812,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
done:
usb_unlock_device(dev);
if (ret >= 0)
- inode->i_atime = current_time(inode);
+ inode_set_atime_to_ts(inode, current_time(inode));
return ret;
}
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 3c54b218301c..0ff47eeffb49 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -151,6 +151,10 @@ int usb_device_supports_lpm(struct usb_device *udev)
if (udev->quirks & USB_QUIRK_NO_LPM)
return 0;
+ /* Skip if the device BOS descriptor couldn't be read */
+ if (!udev->bos)
+ return 0;
+
/* USB 2.1 (and greater) devices indicate LPM support through
* their USB 2.0 Extended Capabilities BOS descriptor.
*/
@@ -327,6 +331,10 @@ static void usb_set_lpm_parameters(struct usb_device *udev)
if (!udev->lpm_capable || udev->speed < USB_SPEED_SUPER)
return;
+ /* Skip if the device BOS descriptor couldn't be read */
+ if (!udev->bos)
+ return;
+
hub = usb_hub_to_struct_hub(udev->parent);
/* It doesn't take time to transition the roothub into U0, since it
* doesn't have an upstream link.
@@ -2704,13 +2712,17 @@ out_authorized:
static enum usb_ssp_rate get_port_ssp_rate(struct usb_device *hdev,
u32 ext_portstatus)
{
- struct usb_ssp_cap_descriptor *ssp_cap = hdev->bos->ssp_cap;
+ struct usb_ssp_cap_descriptor *ssp_cap;
u32 attr;
u8 speed_id;
u8 ssac;
u8 lanes;
int i;
+ if (!hdev->bos)
+ goto out;
+
+ ssp_cap = hdev->bos->ssp_cap;
if (!ssp_cap)
goto out;
@@ -4215,8 +4227,15 @@ static void usb_enable_link_state(struct usb_hcd *hcd, struct usb_device *udev,
enum usb3_link_state state)
{
int timeout;
- __u8 u1_mel = udev->bos->ss_cap->bU1devExitLat;
- __le16 u2_mel = udev->bos->ss_cap->bU2DevExitLat;
+ __u8 u1_mel;
+ __le16 u2_mel;
+
+ /* Skip if the device BOS descriptor couldn't be read */
+ if (!udev->bos)
+ return;
+
+ u1_mel = udev->bos->ss_cap->bU1devExitLat;
+ u2_mel = udev->bos->ss_cap->bU2DevExitLat;
/* If the device says it doesn't have *any* exit latency to come out of
* U1 or U2, it's probably lying. Assume it doesn't implement that link
diff --git a/drivers/usb/core/hub.h b/drivers/usb/core/hub.h
index 37897afd1b64..d44dd7f6623e 100644
--- a/drivers/usb/core/hub.h
+++ b/drivers/usb/core/hub.h
@@ -153,7 +153,7 @@ static inline int hub_is_superspeedplus(struct usb_device *hdev)
{
return (hdev->descriptor.bDeviceProtocol == USB_HUB_PR_SS &&
le16_to_cpu(hdev->descriptor.bcdUSB) >= 0x0310 &&
- hdev->bos->ssp_cap);
+ hdev->bos && hdev->bos->ssp_cap);
}
static inline unsigned hub_power_on_good_delay(struct usb_hub *hub)
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-07 01:18:21 +0000