Hi Markus, [auto build test WARNING on wireless-drivers-next/master] [also build test WARNING on v4.4-rc7 next-20151231] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system] url: https://github.com/0day-ci/linux/commits/SF-Markus-Elfring/net-rsi-Fine-tuning-for-two-function-implementations/20160102-224740 base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master config: x86_64-randconfig-s2-01030012 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 Note: it may well be a FALSE warning. FWIW you are at least aware of it now. http://gcc.gnu.org/wiki/Better_Uninitialized_Warnings All warnings (new ones prefixed by >>): drivers/net/wireless/rsi/rsi_91x_pkt.c: In function 'rsi_send_mgmt_pkt': >> drivers/net/wireless/rsi/rsi_91x_pkt.c:211:2: warning: 'status' may be used uninitialized in this function [-Wmaybe-uninitialized] rsi_indicate_tx_status(common->priv, skb, status); ^ vim +/status +211 drivers/net/wireless/rsi/rsi_91x_pkt.c dad0d04f Fariya Fatima 2014-03-16 195 /* Indicate to firmware to give cfm */ dad0d04f Fariya Fatima 2014-03-16 196 if ((skb->data[16] == IEEE80211_STYPE_PROBE_REQ) && (!bss->assoc)) { dad0d04f Fariya Fatima 2014-03-16 197 msg[1] |= cpu_to_le16(BIT(10)); dad0d04f Fariya Fatima 2014-03-16 198 msg[7] = cpu_to_le16(PROBEREQ_CONFIRM); dad0d04f Fariya Fatima 2014-03-16 199 common->mgmt_q_block = true; dad0d04f Fariya Fatima 2014-03-16 200 } dad0d04f Fariya Fatima 2014-03-16 201 dad0d04f Fariya Fatima 2014-03-16 202 msg[7] |= cpu_to_le16(vap_id << 8); dad0d04f Fariya Fatima 2014-03-16 203 dad0d04f Fariya Fatima 2014-03-16 204 status = adapter->host_intf_write_pkt(common->priv, dad0d04f Fariya Fatima 2014-03-16 205 (u8 *)msg, dad0d04f Fariya Fatima 2014-03-16 206 skb->len); dad0d04f Fariya Fatima 2014-03-16 207 if (status) dad0d04f Fariya Fatima 2014-03-16 208 rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); dad0d04f Fariya Fatima 2014-03-16 209 dad0d04f Fariya Fatima 2014-03-16 210 err: dad0d04f Fariya Fatima 2014-03-16 @211 rsi_indicate_tx_status(common->priv, skb, status); dad0d04f Fariya Fatima 2014-03-16 212 return status; dad0d04f Fariya Fatima 2014-03-16 213 } :::::: The code at line 211 was first introduced by commit :::::: dad0d04fa7ba41ce603a01e8e64967650303e9a2 rsi: Add RS9113 wireless driver :::::: TO: Fariya Fatima <fariyaf@xxxxxxxxx> :::::: CC: John W. Linville <linville@xxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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