Return-path: Received: from emh07.mail.saunalahti.fi ([62.142.5.117]:60072 "EHLO emh07.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751590AbaCFIzQ (ORCPT ); Thu, 6 Mar 2014 03:55:16 -0500 Message-ID: <1394096112.26326.1.camel@dubbel> (sfid-20140306_095521_169284_487CD160) Subject: Re: [PATCH] Drivers:net:wireless:ti:wl1251: Fixed Sparse invalid assignment warning From: Luca Coelho To: Surendra Patil Cc: linville@tuxdriver.com, pavel@ucw.cz, pali.rohar@gmail.com, david.gnedt@davizone.at, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 06 Mar 2014 10:55:12 +0200 In-Reply-To: <1393921132-15950-1-git-send-email-surendra.tux@gmail.com> References: <1393921132-15950-1-git-send-email-surendra.tux@gmail.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, 2014-03-04 at 00:18 -0800, Surendra Patil wrote: > Sparse warns about invalid assignment in > drivers/net/wireless/ti/wl1251/cmd.c:451:42: warning: invalid assignment: |= > drivers/net/wireless/ti/wl1251/cmd.c:451:42: left side has type restricted __le16 > drivers/net/wireless/ti/wl1251/cmd.c:451:42: right side has type int > Hence type converted right side to __le16. > > Signed-off-by: Surendra Patil > --- > drivers/net/wireless/ti/wl1251/cmd.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/ti/wl1251/cmd.c b/drivers/net/wireless/ti/wl1251/cmd.c > index 223649b..bf1fa18 100644 > --- a/drivers/net/wireless/ti/wl1251/cmd.c > +++ b/drivers/net/wireless/ti/wl1251/cmd.c > @@ -448,7 +448,7 @@ int wl1251_cmd_scan(struct wl1251 *wl, u8 *ssid, size_t ssid_len, > * Note: This bug may be caused by the fw's DTIM handling. > */ > if (is_zero_ether_addr(wl->bssid)) > - cmd->params.scan_options |= WL1251_SCAN_OPT_PRIORITY_HIGH; > + cmd->params.scan_options |= cpu_to_le16(WL1251_SCAN_OPT_PRIORITY_HIGH); > cmd->params.num_channels = n_channels; > cmd->params.num_probe_requests = n_probes; > cmd->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ AFAIR wl1251 is not really endianess-safe. I think there are lots of other places where endianess macros should be added. Nothing wrong with this patch, I'm just saying that while at it, maybe someone could take care of all the endianess issues with wl1251? ;) -- Luca.