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-allmodconfig (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from include/linux/list.h:8, from drivers/mtd/ubi/bakvol.c:35: drivers/mtd/ubi/bakvol.c: In function 'ubi_duplicate_data_to_bakvol': include/linux/kern_levels.h:4:18: warning: format '%d' expects argument of type 'int', but argument 5 has type 'size_t {aka long unsigned int}' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH' #define KERN_ERR KERN_SOH "3" /* error conditions */ ^ include/linux/printk.h:252:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^ drivers/mtd/ubi/ubi.h:59:32: note: in expansion of macro 'pr_err' #define ubi_err(ubi, fmt, ...) pr_err(UBI_NAME_STR "%d error: %s: " fmt "\n", \ ^ >> drivers/mtd/ubi/bakvol.c:651:3: note: in expansion of macro 'ubi_err' ubi_err(ubi, "%d: Write data len overflow [%d]\n", ^ vim +/ubi_err +651 drivers/mtd/ubi/bakvol.c 3b3521fb Bean Huo 2016-02-02 635 * @buf: data buffer, points to data that should be programmed 3b3521fb Bean Huo 2016-02-02 636 */ 3b3521fb Bean Huo 2016-02-02 637 int ubi_duplicate_data_to_bakvol(struct ubi_device *ubi, loff_t addr, 3b3521fb Bean Huo 2016-02-02 638 size_t len, size_t *retlen, const void *buf) 3b3521fb Bean Huo 2016-02-02 639 { 3b3521fb Bean Huo 2016-02-02 640 struct ubi_bkblk_tbl *backup_info = ubi->bkblk_tbl; 3b3521fb Bean Huo 2016-02-02 641 struct mtd_info *mtd = ubi->mtd; 3b3521fb Bean Huo 2016-02-02 642 int err = 0, nobak = 0; 3b3521fb Bean Huo 2016-02-02 643 int pnum; 3b3521fb Bean Huo 2016-02-02 644 u8 oppe_plane; 3b3521fb Bean Huo 2016-02-02 645 loff_t lpage_addr; /* Lower page byte address */ 3b3521fb Bean Huo 2016-02-02 646 struct ubi_bkblk_info *pbk; 3b3521fb Bean Huo 2016-02-02 647 int page_num; 3b3521fb Bean Huo 2016-02-02 648 struct bakvol_oob_info *oob_bak = NULL, *oob_src = NULL; 3b3521fb Bean Huo 2016-02-02 649 3b3521fb Bean Huo 2016-02-02 650 if (len > ubi->min_io_size) { 3b3521fb Bean Huo 2016-02-02 @651 ubi_err(ubi, "%d: Write data len overflow [%d]\n", 3b3521fb Bean Huo 2016-02-02 652 __LINE__, len); 3b3521fb Bean Huo 2016-02-02 653 return -EROFS; 3b3521fb Bean Huo 2016-02-02 654 } 3b3521fb Bean Huo 2016-02-02 655 3b3521fb Bean Huo 2016-02-02 656 if (!buf) { 3b3521fb Bean Huo 2016-02-02 657 ubi_err(ubi, "%d: Write buf is NULL!\n", __LINE__); 3b3521fb Bean Huo 2016-02-02 658 return -EROFS; 3b3521fb Bean Huo 2016-02-02 659 :::::: The code at line 651 was first introduced by commit :::::: 3b3521fb6dda26424b36620d13e0195a5b4930b0 driver:mtd:ubi:add new bakvol module in ubi layer :::::: TO: Bean Huo <bean...@micron.com> :::::: CC: 0day robot <fengguang...@intel.com> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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