drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[0]' is used uninitialized in this function
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 18b7fd1c93e5204355ddbf2608a097d64df81b88 commit: 5d1ebbda0318b1ba55eaa1fae3fd867af17b0774 phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4 date: 4 weeks ago config: x86_64-randconfig-a0-04151127 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 5d1ebbda0318b1ba55eaa1fae3fd867af17b0774 # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/phy/motorola/phy-mapphone-mdm6600.c: In function 'phy_mdm6600_status': >> drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[0]' is >> used uninitialized in this function [-Wuninitialized] val |= values[i] << i; ~~^~~ drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[1]' is used uninitialized in this function [-Wuninitialized] drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[2]' is used uninitialized in this function [-Wuninitialized] vim +188 drivers/phy/motorola/phy-mapphone-mdm6600.c 166 167 /** 168 * phy_mdm6600_status() - read mdm6600 status lines 169 * @ddata: device driver data 170 */ 171 static void phy_mdm6600_status(struct work_struct *work) 172 { 173 struct phy_mdm6600 *ddata; 174 struct device *dev; 175 int values[PHY_MDM6600_NR_STATUS_LINES]; 176 int error, i, val = 0; 177 178 ddata = container_of(work, struct phy_mdm6600, status_work.work); 179 dev = ddata->dev; 180 181 error = gpiod_get_array_value_cansleep(PHY_MDM6600_NR_CMD_LINES, 182 ddata->status_gpios->desc, 183 values); 184 if (error) 185 return; 186 187 for (i = 0; i < PHY_MDM6600_NR_CMD_LINES; i++) { > 188 val |= values[i] << i; 189 dev_dbg(ddata->dev, "XXX %s: i: %i values[i]: %i val: %i\n", 190 __func__, i, values[i], val); 191 } 192 ddata->status = val; 193 194 dev_info(dev, "modem status: %i %s\n", 195 ddata->status, 196 phy_mdm6600_status_name[ddata->status & 7]); 197 complete(>ack); 198 } 199 --- 0-DAY kernel test infrastructureOpen Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation .config.gz Description: application/gzip
drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[0]' is used uninitialized in this function
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 18b7fd1c93e5204355ddbf2608a097d64df81b88 commit: 5d1ebbda0318b1ba55eaa1fae3fd867af17b0774 phy: mapphone-mdm6600: Add USB PHY driver for MDM6600 on Droid 4 date: 4 weeks ago config: x86_64-randconfig-a0-04151127 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 5d1ebbda0318b1ba55eaa1fae3fd867af17b0774 # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/phy/motorola/phy-mapphone-mdm6600.c: In function 'phy_mdm6600_status': >> drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[0]' is >> used uninitialized in this function [-Wuninitialized] val |= values[i] << i; ~~^~~ drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[1]' is used uninitialized in this function [-Wuninitialized] drivers/phy/motorola/phy-mapphone-mdm6600.c:188:16: warning: 'values[2]' is used uninitialized in this function [-Wuninitialized] vim +188 drivers/phy/motorola/phy-mapphone-mdm6600.c 166 167 /** 168 * phy_mdm6600_status() - read mdm6600 status lines 169 * @ddata: device driver data 170 */ 171 static void phy_mdm6600_status(struct work_struct *work) 172 { 173 struct phy_mdm6600 *ddata; 174 struct device *dev; 175 int values[PHY_MDM6600_NR_STATUS_LINES]; 176 int error, i, val = 0; 177 178 ddata = container_of(work, struct phy_mdm6600, status_work.work); 179 dev = ddata->dev; 180 181 error = gpiod_get_array_value_cansleep(PHY_MDM6600_NR_CMD_LINES, 182 ddata->status_gpios->desc, 183 values); 184 if (error) 185 return; 186 187 for (i = 0; i < PHY_MDM6600_NR_CMD_LINES; i++) { > 188 val |= values[i] << i; 189 dev_dbg(ddata->dev, "XXX %s: i: %i values[i]: %i val: %i\n", 190 __func__, i, values[i], val); 191 } 192 ddata->status = val; 193 194 dev_info(dev, "modem status: %i %s\n", 195 ddata->status, 196 phy_mdm6600_status_name[ddata->status & 7]); 197 complete(>ack); 198 } 199 --- 0-DAY kernel test infrastructureOpen Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation .config.gz Description: application/gzip