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[89.14.57.49]) by smtp.gmail.com with ESMTPSA id l78-v6sm15368283wmb.39.2018.06.25.08.13.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 25 Jun 2018 08:13:10 -0700 (PDT) From: Michael Straube To: gregkh@linuxfoundation.org Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, joe@perches.com, dan.carpenter@oracle.com, andy.shevchenko@gmail.com, Michael Straube Subject: [PATCH v2 4/4] staging: rtl8723bs: use mac_pton() in rtw_macaddr_cfg() Date: Mon, 25 Jun 2018 17:12:38 +0200 Message-Id: <20180625151238.23147-4-straube.linux@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180625151238.23147-1-straube.linux@gmail.com> References: <20180625151238.23147-1-straube.linux@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the mac_pton() helper to convert the mac address string. The functions key_char2num() and key_2char2num() are not used anywhere else and can be removed. This also has the benefit of validating the input since mac_pton() returns false if the string is not valid. Signed-off-by: Michael Straube --- .../staging/rtl8723bs/core/rtw_ieee80211.c | 30 +++---------------- .../staging/rtl8723bs/os_dep/ioctl_linux.c | 3 -- 2 files changed, 4 insertions(+), 29 deletions(-) diff --git a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c index 8af4a89e632f..62d19cfebb06 100644 --- a/drivers/staging/rtl8723bs/core/rtw_ieee80211.c +++ b/drivers/staging/rtl8723bs/core/rtw_ieee80211.c @@ -1137,25 +1137,6 @@ ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len, } -static u8 key_char2num(u8 ch); -static u8 key_char2num(u8 ch) -{ - if ((ch >= '0') && (ch <= '9')) - return ch - '0'; - else if ((ch >= 'a') && (ch <= 'f')) - return ch - 'a' + 10; - else if ((ch >= 'A') && (ch <= 'F')) - return ch - 'A' + 10; - else - return 0xff; -} - -u8 key_2char2num(u8 hch, u8 lch); -u8 key_2char2num(u8 hch, u8 lch) -{ - return ((key_char2num(hch) << 4) | key_char2num(lch)); -} - void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr) { u8 mac[ETH_ALEN]; @@ -1166,14 +1147,11 @@ void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr) if (!mac_addr) return; - if (rtw_initmac) { /* Users specify the mac address */ - int jj, kk; - - for (jj = 0, kk = 0; jj < ETH_ALEN; jj++, kk += 3) { - mac[jj] = key_2char2num(rtw_initmac[kk], rtw_initmac[kk + 1]); - } + if (rtw_initmac && mac_pton(rtw_initmac, mac)) { + /* Users specify the mac address */ ether_addr_copy(mac_addr, mac); - } else{ /* Use the mac address stored in the Efuse */ + } else{ + /* Use the mac address stored in the Efuse */ ether_addr_copy(mac, mac_addr); } diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c index 39502156f652..4eb51f45b387 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c @@ -32,9 +32,6 @@ #define WEXT_CSCAN_HOME_DWELL_SECTION 'H' #define WEXT_CSCAN_TYPE_SECTION 'T' - -extern u8 key_2char2num(u8 hch, u8 lch); - static u32 rtw_rates[] = {1000000, 2000000, 5500000, 11000000, 6000000, 9000000, 12000000, 18000000, 24000000, 36000000, 48000000, 54000000}; -- 2.18.0