tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next head: 3591a2f3900e0f93dbd246d979ddd939251cac3e commit: 3591a2f3900e0f93dbd246d979ddd939251cac3e [50/50] usb: gadget: f_fs: add the support for alternate interface setting config: arm-omap2plus_defconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 3591a2f3900e0f93dbd246d979ddd939251cac3e # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=arm All errors (new ones prefixed by >>): drivers/usb/gadget/function/f_fs.c: In function 'ffs_do_descs_alt_intf': >> drivers/usb/gadget/function/f_fs.c:2198:9: error: too few arguments to function 'ffs_do_single_desc' ret = ffs_do_single_desc(data, len, entity, priv); ^~~~~~~~~~~~~~~~~~ drivers/usb/gadget/function/f_fs.c:1966:25: note: declared here static int __must_check ffs_do_single_desc(char *data, unsigned len, ^~~~~~~~~~~~~~~~~~ vim +/ffs_do_single_desc +2198 drivers/usb/gadget/function/f_fs.c 2148 2149 static int do_function_enable_interface(enum ffs_entity_type type, u8 *valuep, 2150 struct usb_descriptor_header *desc, 2151 void *priv); 2152 2153 static int do_function_disable_interface(enum ffs_entity_type type, u8 *valuep, 2154 struct usb_descriptor_header *desc, 2155 void *priv); 2156 2157 static int __must_check ffs_do_descs_alt_intf(unsigned int count, char *data, 2158 unsigned int len, unsigned int intf, 2159 unsigned int alt, void *priv) 2160 { 2161 const unsigned int _len = len; 2162 unsigned long num = 0; 2163 struct usb_descriptor_header *_ds; 2164 struct usb_interface_descriptor *idecs; 2165 ffs_entity_callback entity = NULL; 2166 2167 ENTER(); 2168 2169 for (;;) { 2170 int ret; 2171 2172 if (num == count) 2173 data = NULL; 2174 2175 if (!data) { 2176 pr_vdebug("%s Exiting. No more Data\n", __func__); 2177 return _len - len; 2178 } 2179 2180 _ds = (void *)data; 2181 if (_ds->bDescriptorType == USB_DT_INTERFACE) { 2182 idecs = (void *)_ds; 2183 2184 /*Check the interface no to deal with */ 2185 if (idecs->bInterfaceNumber == intf) { 2186 if (idecs->bAlternateSetting == alt) 2187 entity = do_function_enable_interface; 2188 else 2189 entity = do_function_disable_interface; 2190 } else if (entity && 2191 (idecs->bInterfaceNumber != intf)) { 2192 pr_vdebug( 2193 "%s Exiting.Moved past the interface no\n", 2194 __func__); 2195 return _len - len; 2196 } 2197 } > 2198 ret = ffs_do_single_desc(data, len, entity, priv); 2199 if (unlikely(ret < 0)) { 2200 pr_err("%s Exiting with err %d\n", __func__, ret); 2201 return ret; 2202 } 2203 2204 len -= ret; 2205 data += ret; 2206 ++num; 2207 } 2208 } 2209 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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