From: Salah Triki <salah.triki@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Fabio Aiuto <fabioaiuto83@gmail.com>,
Ross Schmidt <ross.schm.dev@gmail.com>,
Marco Cesati <marcocesati@gmail.com>,
Brother Matthew De Angelis <matthew.v.deangelis@gmail.com>,
"Gustavo A. R. Silva" <gustavoars@kernel.org>,
Ivan Safonov <insafonov@gmail.com>
Cc: linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH] tablet: acecad: update the reference count of the usb interface structure
Date: Sat, 24 Jul 2021 21:55:42 +0100 [thread overview]
Message-ID: <20210724205542.GA549014@pc> (raw)
Use usb_get_intf() and usb_put_intf() in order to update the reference
count of the usb interface structure.
Signed-off-by: Salah Triki <salah.triki@gmail.com>
---
drivers/input/tablet/acecad.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/input/tablet/acecad.c b/drivers/input/tablet/acecad.c
index a38d1fe97334..85fe134a30ee 100644
--- a/drivers/input/tablet/acecad.c
+++ b/drivers/input/tablet/acecad.c
@@ -151,7 +151,7 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
goto fail2;
}
- acecad->intf = intf;
+ acecad->intf = usb_get_intf(intf);
acecad->input = input_dev;
if (dev->manufacturer)
@@ -236,6 +236,9 @@ static void usb_acecad_disconnect(struct usb_interface *intf)
input_unregister_device(acecad->input);
usb_free_urb(acecad->irq);
usb_free_coherent(udev, 8, acecad->data, acecad->data_dma);
+
+ usb_put_intf(acecad->intf);
+
kfree(acecad);
}
--
2.25.1
next reply other threads:[~2021-07-24 20:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-24 20:55 Salah Triki [this message]
2021-07-27 12:37 ` [PATCH] tablet: acecad: update the reference count of the usb interface structure Dan Carpenter
2021-07-29 0:54 ` Salah Triki
2021-07-29 8:31 ` Dan Carpenter
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