From: Sean Young <sean@mess.org>
To: Shuah Khan <shuahkh@osg.samsung.com>
Cc: mchehab@kernel.org, wsa-dev@sang-engineering.com,
gregkh@linuxfoundation.org, keescook@chromium.org,
akpm@linux-foundation.org, patrick.boettcher@posteo.de,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] media: fix uninitialized variable warning in dib0700_rc_urb_completion()
Date: Tue, 8 Nov 2016 11:23:42 +0000 [thread overview]
Message-ID: <20161108112341.GA20598@gofer.mess.org> (raw)
In-Reply-To: <20161107154114.26803-2-shuahkh@osg.samsung.com>
On Mon, Nov 07, 2016 at 08:41:12AM -0700, Shuah Khan wrote:
> Fix the following uninitialized variable compiler warning:
>
> drivers/media/usb/dvb-usb/dib0700_core.c: In function ‘dib0700_rc_urb_completion’:
> drivers/media/usb/dvb-usb/dib0700_core.c:763:2: warning: ‘protocol’ may be used uninitialized in this function [-Wmaybe-uninitialized]
> rc_keydown(d->rc_dev, protocol, keycode, toggle);
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
> ---
> drivers/media/usb/dvb-usb/dib0700_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/usb/dvb-usb/dib0700_core.c b/drivers/media/usb/dvb-usb/dib0700_core.c
> index f319665..cfe28ec 100644
> --- a/drivers/media/usb/dvb-usb/dib0700_core.c
> +++ b/drivers/media/usb/dvb-usb/dib0700_core.c
> @@ -676,7 +676,7 @@ static void dib0700_rc_urb_completion(struct urb *purb)
> {
> struct dvb_usb_device *d = purb->context;
> struct dib0700_rc_response *poll_reply;
> - enum rc_type protocol;
> + enum rc_type protocol = RC_TYPE_UNKNOWN;
> u32 uninitialized_var(keycode);
> u8 toggle;
>
There is another (better) fix for it here:
https://patchwork.linuxtv.org/patch/37516/
Thanks
Sean
next prev parent reply other threads:[~2016-11-08 11:23 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-07 15:41 [PATCH] media: Fix get_key_haup_common.isra.4() debug message to print ptoggle value Shuah Khan
2016-11-07 15:41 ` [PATCH] media: fix uninitialized variable warning in dib0700_rc_urb_completion() Shuah Khan
2016-11-08 11:23 ` Sean Young [this message]
2016-11-07 15:41 ` [PATCH] net/netfiliter: Fix used uninitialized warn in ip_vs_proc_sync_conn() Shuah Khan
2016-11-07 15:44 ` Anna Schumaker
2016-11-07 16:14 ` Shuah Khan
2016-11-07 15:41 ` [PATCH] net/netfilter: Fix use uninitialized warn in nft_range_eval() Shuah Khan
2016-11-08 23:13 ` Pablo Neira Ayuso
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