Re: [PATCH] brcmsmac: initialize morepending in brcms_b_recv()

From: Arend van Spriel
Date: Sun Dec 23 2012 - 12:31:35 EST


On 12/22/2012 10:07 PM, Geert Uytterhoeven wrote:
> drivers/net/wireless/brcm80211/brcmsmac/main.c: In function âbrcms_b_recvâ:
> drivers/net/wireless/brcm80211/brcmsmac/main.c:7636: warning: âmorependingâ 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@xxxxxxxxxxxx>
> Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> ---
> 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);
>


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