Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753020AbdCBNcX (ORCPT ); Thu, 2 Mar 2017 08:32:23 -0500 Received: from mail3-relais-sop.national.inria.fr ([192.134.164.104]:53651 "EHLO mail3-relais-sop.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752912AbdCBNcR (ORCPT ); Thu, 2 Mar 2017 08:32:17 -0500 X-IronPort-AV: E=Sophos;i="5.35,230,1484002800"; d="scan'208";a="215285283" Date: Thu, 2 Mar 2017 10:48:25 +0100 (CET) From: Julia Lawall X-X-Sender: jll@hadrien To: simran singhal cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, sergio.paracuellos@gmail.com, juliana.orod@gmail.com, thomas.petazzoni@free-electrons.com, noralf@tronnes.org, outreachy-kernel@googlegroups.com Subject: Re: [Outreachy kernel] [PATCH 1/6] staging: wlan-ng: Fix sparse warning of restricted __le16 In-Reply-To: <1488448146-29452-1-git-send-email-singhalsimran0@gmail.com> Message-ID: References: <1488448146-29452-1-git-send-email-singhalsimran0@gmail.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5681 Lines: 125 On Thu, 2 Mar 2017, simran singhal wrote: > This patch fixes the following sparse warning: > warning: cast to restricted __le16 You commit message should not say just fix X. What have you done to carry out the fix and why is this the correct approach? julia > > Signed-off-by: simran singhal > --- > drivers/staging/wlan-ng/prism2sta.c | 51 ++++++++++++++++++------------------- > 1 file changed, 25 insertions(+), 26 deletions(-) > > diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c > index 984804b..82d3a70 100644 > --- a/drivers/staging/wlan-ng/prism2sta.c > +++ b/drivers/staging/wlan-ng/prism2sta.c > @@ -372,10 +372,9 @@ static int prism2sta_mlmerequest(struct wlandevice *wlandev, > qualmsg->noise.status = > P80211ENUM_msgitem_status_data_ok; > > - qualmsg->link.data = le16_to_cpu(hw->qual.cq_curr_bss); > - qualmsg->level.data = > - le16_to_cpu(hw->qual.asl_curr_bss); > - qualmsg->noise.data = le16_to_cpu(hw->qual.anl_curr_fc); > + qualmsg->link.data = hw->qual.cq_curr_bss; > + qualmsg->level.data = hw->qual.asl_curr_bss; > + qualmsg->noise.data = hw->qual.anl_curr_fc; > qualmsg->txrate.data = hw->txrate; > > break; > @@ -603,10 +602,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) > } > > /* get all the nic id fields in host byte order */ > - hw->ident_nic.id = le16_to_cpu(hw->ident_nic.id); > - hw->ident_nic.variant = le16_to_cpu(hw->ident_nic.variant); > - hw->ident_nic.major = le16_to_cpu(hw->ident_nic.major); > - hw->ident_nic.minor = le16_to_cpu(hw->ident_nic.minor); > + hw->ident_nic.id = hw->ident_nic.id; > + hw->ident_nic.variant = hw->ident_nic.variant; > + hw->ident_nic.major = hw->ident_nic.major; > + hw->ident_nic.minor = hw->ident_nic.minor; > > netdev_info(wlandev->netdev, "ident: nic h/w: id=0x%02x %d.%d.%d\n", > hw->ident_nic.id, hw->ident_nic.major, > @@ -622,10 +621,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) > } > > /* get all the private fw id fields in host byte order */ > - hw->ident_pri_fw.id = le16_to_cpu(hw->ident_pri_fw.id); > - hw->ident_pri_fw.variant = le16_to_cpu(hw->ident_pri_fw.variant); > - hw->ident_pri_fw.major = le16_to_cpu(hw->ident_pri_fw.major); > - hw->ident_pri_fw.minor = le16_to_cpu(hw->ident_pri_fw.minor); > + hw->ident_pri_fw.id = hw->ident_pri_fw.id; > + hw->ident_pri_fw.variant = hw->ident_pri_fw.variant; > + hw->ident_pri_fw.major = hw->ident_pri_fw.major; > + hw->ident_pri_fw.minor = hw->ident_pri_fw.minor; > > netdev_info(wlandev->netdev, "ident: pri f/w: id=0x%02x %d.%d.%d\n", > hw->ident_pri_fw.id, hw->ident_pri_fw.major, > @@ -648,10 +647,10 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) > } > > /* get all the station fw id fields in host byte order */ > - hw->ident_sta_fw.id = le16_to_cpu(hw->ident_sta_fw.id); > - hw->ident_sta_fw.variant = le16_to_cpu(hw->ident_sta_fw.variant); > - hw->ident_sta_fw.major = le16_to_cpu(hw->ident_sta_fw.major); > - hw->ident_sta_fw.minor = le16_to_cpu(hw->ident_sta_fw.minor); > + hw->ident_sta_fw.id = hw->ident_sta_fw.id; > + hw->ident_sta_fw.variant = hw->ident_sta_fw.variant; > + hw->ident_sta_fw.major = hw->ident_sta_fw.major; > + hw->ident_sta_fw.minor = hw->ident_sta_fw.minor; > > /* strip out the 'special' variant bits */ > hw->mm_mods = hw->ident_sta_fw.variant & GENMASK(15, 14); > @@ -683,11 +682,11 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) > /* get all the Compatibility range, modem interface supplier > * fields in byte order > */ > - hw->cap_sup_mfi.role = le16_to_cpu(hw->cap_sup_mfi.role); > - hw->cap_sup_mfi.id = le16_to_cpu(hw->cap_sup_mfi.id); > - hw->cap_sup_mfi.variant = le16_to_cpu(hw->cap_sup_mfi.variant); > - hw->cap_sup_mfi.bottom = le16_to_cpu(hw->cap_sup_mfi.bottom); > - hw->cap_sup_mfi.top = le16_to_cpu(hw->cap_sup_mfi.top); > + hw->cap_sup_mfi.role = hw->cap_sup_mfi.role; > + hw->cap_sup_mfi.id = hw->cap_sup_mfi.id; > + hw->cap_sup_mfi.variant = hw->cap_sup_mfi.variant; > + hw->cap_sup_mfi.bottom = hw->cap_sup_mfi.bottom; > + hw->cap_sup_mfi.top = hw->cap_sup_mfi.top; > > netdev_info(wlandev->netdev, > "MFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", > @@ -707,11 +706,11 @@ static int prism2sta_getcardinfo(struct wlandevice *wlandev) > /* get all the Compatibility range, controller interface supplier > * fields in byte order > */ > - hw->cap_sup_cfi.role = le16_to_cpu(hw->cap_sup_cfi.role); > - hw->cap_sup_cfi.id = le16_to_cpu(hw->cap_sup_cfi.id); > - hw->cap_sup_cfi.variant = le16_to_cpu(hw->cap_sup_cfi.variant); > - hw->cap_sup_cfi.bottom = le16_to_cpu(hw->cap_sup_cfi.bottom); > - hw->cap_sup_cfi.top = le16_to_cpu(hw->cap_sup_cfi.top); > + hw->cap_sup_cfi.role = hw->cap_sup_cfi.role; > + hw->cap_sup_cfi.id = hw->cap_sup_cfi.id; > + hw->cap_sup_cfi.variant = hw->cap_sup_cfi.variant; > + hw->cap_sup_cfi.bottom = hw->cap_sup_cfi.bottom; > + hw->cap_sup_cfi.top = hw->cap_sup_cfi.top; > > netdev_info(wlandev->netdev, > "CFI:SUP:role=0x%02x:id=0x%02x:var=0x%02x:b/t=%d/%d\n", > -- > 2.7.4 > > -- > You received this message because you are subscribed to the Google Groups "outreachy-kernel" group. > To unsubscribe from this group and stop receiving emails from it, send an email to outreachy-kernel+unsubscribe@googlegroups.com. > To post to this group, send email to outreachy-kernel@googlegroups.com. > To view this discussion on the web visit https://groups.google.com/d/msgid/outreachy-kernel/1488448146-29452-1-git-send-email-singhalsimran0%40gmail.com. > For more options, visit https://groups.google.com/d/optout. >