From 2dad9402192250d4061332b6a9be71ebf8493c49 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Mon, 4 Mar 2013 12:50:05 +0100 Subject: [PATCH] ALSA: snd-usb-caiaq: fix smatch warnings Fix three smatch warnings recently introduced: sound/usb/caiaq/device.c:166 usb_ep1_command_reply_dispatch() warn: variable dereferenced before check 'cdev' (see line 163) sound/usb/caiaq/device.c:517 snd_disconnect() warn: variable dereferenced before check 'card' (see line 514) sound/usb/caiaq/input.c:510 snd_usb_caiaq_ep4_reply_dispatch() warn: variable dereferenced before check 'cdev' (see line 506) Signed-off-by: Daniel Mack Reported-by: Dan Carpenter Signed-off-by: Takashi Iwai --- sound/usb/caiaq/device.c | 8 ++++---- sound/usb/caiaq/input.c | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index d898f737c07e..48b63ccc78c7 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -159,8 +159,8 @@ static struct usb_device_id snd_usb_id_table[] = { static void usb_ep1_command_reply_dispatch (struct urb* urb) { int ret; + struct device *dev = &urb->dev->dev; struct snd_usb_caiaqdev *cdev = urb->context; - struct device *dev = caiaqdev_to_dev(cdev); unsigned char *buf = urb->transfer_buffer; if (urb->status || !cdev) { @@ -511,13 +511,13 @@ static int snd_probe(struct usb_interface *intf, static void snd_disconnect(struct usb_interface *intf) { struct snd_card *card = usb_get_intfdata(intf); - struct snd_usb_caiaqdev *cdev = caiaqdev(card); - struct device *dev; + struct device *dev = intf->usb_dev; + struct snd_usb_caiaqdev *cdev; if (!card) return; - dev = caiaqdev_to_dev(cdev); + cdev = caiaqdev(card); dev_dbg(dev, "%s(%p)\n", __func__, intf); snd_card_disconnect(card); diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c index fe8f4b4fd369..efc70ae915c5 100644 --- a/sound/usb/caiaq/input.c +++ b/sound/usb/caiaq/input.c @@ -503,8 +503,8 @@ static void snd_usb_caiaq_maschine_dispatch(struct snd_usb_caiaqdev *cdev, static void snd_usb_caiaq_ep4_reply_dispatch(struct urb *urb) { struct snd_usb_caiaqdev *cdev = urb->context; - struct device *dev = caiaqdev_to_dev(cdev); unsigned char *buf = urb->transfer_buffer; + struct device *dev = &urb->dev->dev; int ret; if (urb->status || !cdev || urb != cdev->ep4_in_urb) -- 2.30.2