Hi Bean, [auto build test WARNING on v4.5-rc2] [also build test WARNING on next-20160201] [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/Bean-Huo/Add-a-bakvol-module-in-UBI-layer-for-MLC-paired-page-power-loss-issue/20160202-104450 config: x86_64-randconfig-x012-201605 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): drivers/mtd/ubi/io.c: In function 'ubi_io_write': >> drivers/mtd/ubi/io.c:242:6: warning: unused variable 'skip' >> [-Wunused-variable] int skip; ^ vim +/skip +242 drivers/mtd/ubi/io.c 226 * 227 * This function writes @len bytes of data from buffer @buf to offset @offset 228 * of physical eraseblock @pnum. If all the data were successfully written, 229 * zero is returned. If an error occurred, this function returns a negative 230 * error code. If %-EIO is returned, the physical eraseblock most probably went 231 * bad. 232 * 233 * Note, in case of an error, it is possible that something was still written 234 * to the flash media, but may be some garbage. 235 */ 236 int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset, 237 int len, int safeguard) 238 { 239 int err; 240 size_t retlen; 241 loff_t addr; > 242 int skip; 243 244 dbg_io("write %d bytes to PEB %d:%d", len, pnum, offset); 245 246 ubi_assert(pnum >= 0 && pnum < ubi->peb_count); 247 ubi_assert(offset >= 0 && offset + len <= ubi->peb_size); 248 ubi_assert(offset % ubi->hdrs_min_io_size == 0); 249 ubi_assert(len > 0 && len % ubi->hdrs_min_io_size == 0); 250 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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