diff options
| author | Bastien Nocera <hadess@hadess.net> | 2020-10-22 09:55:20 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-28 13:24:58 +0100 |
| commit | 0942d59b0af46511d59dbf5bd69ec4a64d1a854c (patch) | |
| tree | 44706a2b20b1129aaf102044c32e7ee99f4bc417 /drivers/usb/core/usb.h | |
| parent | 32d174d2d5eb318c34ff36771adefabdf227c186 (diff) | |
| download | linux-0942d59b0af46511d59dbf5bd69ec4a64d1a854c.tar.gz | |
usbcore: Check both id_table and match() when both available
From: Bastien Nocera <hadess@hadess.net> When a USB device driver has both an id_table and a match() function, make sure to check both to find a match, first matching the id_table, then checking the match() function. This makes it possible to have module autoloading done through the id_table when devices are plugged in, before checking for further device eligibility in the match() function. Cc: <stable@vger.kernel.org> # 5.8 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Alan Stern <stern@rowland.harvard.edu> Co-developed-by: M. Vefa Bicakci <m.v.b@runbox.com> Tested-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: Bastien Nocera <hadess@hadess.net> Signed-off-by: M. Vefa Bicakci <m.v.b@runbox.com> Tested-by: Pan (Pany) YUAN <pany@fedoraproject.org> Link: https://lore.kernel.org/r/20201022135521.375211-2-m.v.b@runbox.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/usb.h')
| -rw-r--r-- | drivers/usb/core/usb.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index c893f54a3420..82538daac8b8 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -74,6 +74,8 @@ extern int usb_match_device(struct usb_device *dev, const struct usb_device_id *id); extern const struct usb_device_id *usb_device_match_id(struct usb_device *udev, const struct usb_device_id *id); +extern bool usb_driver_applicable(struct usb_device *udev, + struct usb_device_driver *udrv); extern void usb_forced_unbind_intf(struct usb_interface *intf); extern void usb_unbind_and_rebind_marked_interfaces(struct usb_device *udev); |