From: "Arend van Spriel" <arend@broadcom.com>
To: "Geert Uytterhoeven" <geert@linux-m68k.org>
Cc: "Piotr Haber" <phaber@broadcom.com>,
"John W. Linville" <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org, brcm80211-dev-list@broadcom.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] brcmsmac: initialize morepending in brcms_b_recv()
Date: Sun, 23 Dec 2012 18:31:13 +0100 [thread overview]
Message-ID: <50D73FE1.6080907@broadcom.com> (raw)
In-Reply-To: <1356210434-28435-1-git-send-email-geert@linux-m68k.org>
On 12/22/2012 10:07 PM, Geert Uytterhoeven wrote:
> drivers/net/wireless/brcm80211/brcmsmac/main.c: In function ‘brcms_b_recv’:
> drivers/net/wireless/brcm80211/brcmsmac/main.c:7636: warning: ‘morepending’ may be used uninitialized in this function
>
Reading the code this warning seems to be invalid except when RXBND is
defined as zero, which would make the whole function totally bogus.
Would be good to have a WARN_ON(!RXBND) in brcms_b_attach().
I don't like pleasing a compiler with unnecessary initializers but I am
also for builds with zero warnings. So...
Acked-by: Arend van Spriel <arend@broadcom.com>
> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
> ---
> drivers/net/wireless/brcm80211/brcmsmac/main.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
> index 17594de..5f0f444 100644
> --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
> +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
> @@ -7633,7 +7633,7 @@ brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound)
>
> uint n = 0;
> uint bound_limit = bound ? RXBND : -1;
> - bool morepending;
> + bool morepending = false;
>
> skb_queue_head_init(&recv_frames);
>
WARNING: multiple messages have this Message-ID (diff)
From: "Arend van Spriel" <arend-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
To: "Geert Uytterhoeven" <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
Cc: "Piotr Haber" <phaber-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>,
"John W. Linville"
<linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
brcm80211-dev-list-dY08KVG/lbpWk0Htik3J/w@public.gmane.org,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH] brcmsmac: initialize morepending in brcms_b_recv()
Date: Sun, 23 Dec 2012 18:31:13 +0100 [thread overview]
Message-ID: <50D73FE1.6080907@broadcom.com> (raw)
In-Reply-To: <1356210434-28435-1-git-send-email-geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
On 12/22/2012 10:07 PM, Geert Uytterhoeven wrote:
> drivers/net/wireless/brcm80211/brcmsmac/main.c: In function ‘brcms_b_recv’:
> drivers/net/wireless/brcm80211/brcmsmac/main.c:7636: warning: ‘morepending’ may be used uninitialized in this function
>
Reading the code this warning seems to be invalid except when RXBND is
defined as zero, which would make the whole function totally bogus.
Would be good to have a WARN_ON(!RXBND) in brcms_b_attach().
I don't like pleasing a compiler with unnecessary initializers but I am
also for builds with zero warnings. So...
Acked-by: Arend van Spriel <arend-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
> Signed-off-by: Geert Uytterhoeven <geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org>
> ---
> drivers/net/wireless/brcm80211/brcmsmac/main.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
> index 17594de..5f0f444 100644
> --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
> +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
> @@ -7633,7 +7633,7 @@ brcms_b_recv(struct brcms_hardware *wlc_hw, uint fifo, bool bound)
>
> uint n = 0;
> uint bound_limit = bound ? RXBND : -1;
> - bool morepending;
> + bool morepending = false;
>
> skb_queue_head_init(&recv_frames);
>
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2012-12-23 17:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-22 21:07 [PATCH] brcmsmac: initialize morepending in brcms_b_recv() Geert Uytterhoeven
2012-12-23 17:31 ` Arend van Spriel [this message]
2012-12-23 17:31 ` Arend van Spriel
2012-12-24 12:02 ` Geert Uytterhoeven
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=50D73FE1.6080907@broadcom.com \
--to=arend@broadcom.com \
--cc=brcm80211-dev-list@broadcom.com \
--cc=geert@linux-m68k.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=linville@tuxdriver.com \
--cc=netdev@vger.kernel.org \
--cc=phaber@broadcom.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.