Hi Arnd, [auto build test WARNING on: cryptodev/master] [also build test WARNING on: v4.4-rc1 next-20151118] url: https://github.com/0day-ci/linux/commits/Arnd-Bergmann/crypto-atmel-fix-bogus-select/20151118-233706 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master 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 drivers/crypto/atmel-aes.c:191:25: sparse: incompatible types in comparison expression (different type sizes) drivers/crypto/atmel-aes.c:447:25: sparse: incompatible types in comparison expression (different type sizes) drivers/crypto/atmel-aes.c:448:25: sparse: incompatible types in comparison expression (different type sizes) In file included from drivers/crypto/atmel-aes.c:17:0: drivers/crypto/atmel-aes.c: In function 'atmel_aes_sg_copy': include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ >> drivers/crypto/atmel-aes.c:191:11: note: in expansion of macro 'min' count = min(count, buflen); ^ drivers/crypto/atmel-aes.c: In function 'atmel_aes_crypt_dma_start': include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ drivers/crypto/atmel-aes.c:447:11: note: in expansion of macro 'min' count = min(dd->total, sg_dma_len(dd->in_sg)); ^ include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ drivers/crypto/atmel-aes.c:448:11: note: in expansion of macro 'min' count = min(count, sg_dma_len(dd->out_sg)); ^ In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from drivers/crypto/atmel-aes.c:17: drivers/crypto/atmel-aes.c: In function 'atmel_aes_crypt_dma_stop': >> include/linux/kern_levels.h:4:18: warning: format '%u' expects argument of type 'unsigned int', but argument 2 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/crypto/atmel-aes.c:642:5: note: in expansion of macro 'pr_err' pr_err("not all data converted: %u\n", count); ^ drivers/crypto/atmel-aes.c: In function 'atmel_aes_buff_init': >> drivers/crypto/atmel-aes.c:669:20: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t {aka long unsigned int}' [-Wformat=] dev_err(dd->dev, "dma %d bytes error\n", dd->buflen); ^ drivers/crypto/atmel-aes.c:677:20: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t {aka long unsigned int}' [-Wformat=] dev_err(dd->dev, "dma %d bytes error\n", dd->buflen); ^ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute >> drivers/crypto/atmel-aes.c:191:25: sparse: incompatible types in comparison expression (different type sizes) drivers/crypto/atmel-aes.c:447:25: sparse: incompatible types in comparison expression (different type sizes) drivers/crypto/atmel-aes.c:448:25: sparse: incompatible types in comparison expression (different type sizes) In file included from drivers/crypto/atmel-aes.c:17:0: drivers/crypto/atmel-aes.c: In function 'atmel_aes_sg_copy': include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ drivers/crypto/atmel-aes.c:191:11: note: in expansion of macro 'min' count = min(count, buflen); ^ drivers/crypto/atmel-aes.c: In function 'atmel_aes_crypt_dma_start': include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ drivers/crypto/atmel-aes.c:447:11: note: in expansion of macro 'min' count = min(dd->total, sg_dma_len(dd->in_sg)); ^ include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ drivers/crypto/atmel-aes.c:448:11: note: in expansion of macro 'min' count = min(count, sg_dma_len(dd->out_sg)); ^ In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from drivers/crypto/atmel-aes.c:17: drivers/crypto/atmel-aes.c: In function 'atmel_aes_crypt_dma_stop': include/linux/kern_levels.h:4:18: warning: format '%u' expects argument of type 'unsigned int', but argument 2 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/crypto/atmel-aes.c:642:5: note: in expansion of macro 'pr_err' pr_err("not all data converted: %u\n", count); ^ drivers/crypto/atmel-aes.c: In function 'atmel_aes_buff_init': drivers/crypto/atmel-aes.c:669:20: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t {aka long unsigned int}' [-Wformat=] dev_err(dd->dev, "dma %d bytes error\n", dd->buflen); ^ drivers/crypto/atmel-aes.c:677:20: warning: format '%d' expects argument of type 'int', but argument 3 has type 'size_t {aka long unsigned int}' [-Wformat=] dev_err(dd->dev, "dma %d bytes error\n", dd->buflen); ^ vim +/min +191 drivers/crypto/atmel-aes.c bd3c7b5c Nicolas Royer 2012-07-01 175 bd3c7b5c Nicolas Royer 2012-07-01 176 sg_list = sg_next(sg_list); bd3c7b5c Nicolas Royer 2012-07-01 177 if (!sg_list) bd3c7b5c Nicolas Royer 2012-07-01 178 total = 0; bd3c7b5c Nicolas Royer 2012-07-01 179 } bd3c7b5c Nicolas Royer 2012-07-01 180 bd3c7b5c Nicolas Royer 2012-07-01 181 return sg_nb; bd3c7b5c Nicolas Royer 2012-07-01 182 } bd3c7b5c Nicolas Royer 2012-07-01 183 cadc4ab8 Nicolas Royer 2013-02-20 184 static int atmel_aes_sg_copy(struct scatterlist **sg, size_t *offset, cadc4ab8 Nicolas Royer 2013-02-20 185 void *buf, size_t buflen, size_t total, int out) cadc4ab8 Nicolas Royer 2013-02-20 186 { cadc4ab8 Nicolas Royer 2013-02-20 187 unsigned int count, off = 0; cadc4ab8 Nicolas Royer 2013-02-20 188 cadc4ab8 Nicolas Royer 2013-02-20 189 while (buflen && total) { cadc4ab8 Nicolas Royer 2013-02-20 190 count = min((*sg)->length - *offset, total); cadc4ab8 Nicolas Royer 2013-02-20 @191 count = min(count, buflen); cadc4ab8 Nicolas Royer 2013-02-20 192 cadc4ab8 Nicolas Royer 2013-02-20 193 if (!count) cadc4ab8 Nicolas Royer 2013-02-20 194 return off; cadc4ab8 Nicolas Royer 2013-02-20 195 cadc4ab8 Nicolas Royer 2013-02-20 196 scatterwalk_map_and_copy(buf + off, *sg, *offset, count, out); cadc4ab8 Nicolas Royer 2013-02-20 197 cadc4ab8 Nicolas Royer 2013-02-20 198 off += count; cadc4ab8 Nicolas Royer 2013-02-20 199 buflen -= count; :::::: The code at line 191 was first introduced by commit :::::: cadc4ab8f6f73719ef0e124320cdd210d1c9ff3e crypto: atmel-aes - add support for latest release of the IP (0x130) :::::: TO: Nicolas Royer <nicolas@xxxxxxxxxx> :::::: CC: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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