diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-02-23 12:28:30 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-25 18:51:37 -0800 |
| commit | 12133a483dfa832241fbbf09321109a0ea8a520e (patch) | |
| tree | 329f5f6a24e73c4b91ad0e809b10eae697ed2412 | |
| parent | 2f61f38a217462411fed950e843b82bc119884cf (diff) | |
| download | linux-12133a483dfa832241fbbf09321109a0ea8a520e.tar.gz linux-12133a483dfa832241fbbf09321109a0ea8a520e.zip | |
nfc: pn533: properly drop the usb interface reference on disconnect
When the device is disconnected from the driver, there is a "dangling"
reference count on the usb interface that was grabbed in the probe
callback. Fix this up by properly dropping the reference after we are
done with it.
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Fixes: c46ee38620a2 ("NFC: pn533: add NXP pn533 nfc device driver")
Link: https://patch.msgid.link/2026022329-flashing-ought-7573@gregkh
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | drivers/nfc/pn533/usb.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index 018a80674f06..0f12f86ebb02 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -628,6 +628,7 @@ static void pn533_usb_disconnect(struct usb_interface *interface) usb_free_urb(phy->out_urb); usb_free_urb(phy->ack_urb); kfree(phy->ack_buffer); + usb_put_dev(phy->udev); nfc_info(&interface->dev, "NXP PN533 NFC device disconnected\n"); } |