Hi Anand, [auto build test WARNING on btrfs/next] [cannot apply to v4.8-rc6 next-20160913] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Anand-Jain/btrfs-Encryption-Add-btrfs-encryption-support/20160913-214237 base: https://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git next config: i386-randconfig-s0-201637 (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from include/linux/crypto.h:21, from fs/btrfs/encrypt.c:20: fs/btrfs/encrypt.c: In function 'btrfs_blkcipher': include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'size_t {aka 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:264:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~ >> fs/btrfs/encrypt.c:327:3: note: in expansion of macro 'pr_err' pr_err("BTRFS: crypto, blk can't work with len %lu\n", len); ^~~~~~ fs/btrfs/encrypt.c: In function 'btrfs_decrypt_pages_bio': include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 4 has type 'size_t {aka 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:264:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~ fs/btrfs/encrypt.c:757:3: note: in expansion of macro 'pr_err' pr_err("BTRFS: crypto, untested: pages to be decrypted is less than expected, "\ ^~~~~~ vim +/pr_err +327 fs/btrfs/encrypt.c 311 int ret = -EFAULT; 312 struct scatterlist sg; 313 unsigned int ivsize = 0; 314 unsigned int blksize = 0; 315 char *cipher = "cbc(aes)"; 316 struct blkcipher_desc desc; 317 struct crypto_blkcipher *blkcipher = NULL; 318 319 blkcipher = crypto_alloc_blkcipher(cipher, 0, 0); 320 if (IS_ERR(blkcipher)) { 321 pr_err("BTRFS: crypto, allocate blkcipher handle for %s\n", cipher); 322 return -PTR_ERR(blkcipher); 323 } 324 325 blksize = crypto_blkcipher_blocksize(blkcipher); 326 if (len < blksize) { > 327 pr_err("BTRFS: crypto, blk can't work with len %lu\n", len); 328 ret = -EINVAL; 329 goto out; 330 } 331 332 if (crypto_blkcipher_setkey(blkcipher, btrfs_req->key, 333 btrfs_req->key_len)) { 334 pr_err("BTRFS: crypto, key could not be set\n"); 335 ret = -EAGAIN; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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