Hi Herbert, [auto build test WARNING on cryptodev/master] [also build test WARNING on v4.10-rc7 next-20170206] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Herbert-Xu/crypto-atmel-Fix-authenc-compile-test-warnings/20170206-171201 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master reproduce: # apt-get install sparse make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:253:8: sparse: attribute 'no_sanitize_address': unknown attribute >> drivers/crypto/atmel-tdes.c:157:25: sparse: incompatible types in comparison expression (different type sizes) drivers/crypto/atmel-tdes.c:528:25: sparse: incompatible types in comparison expression (different type sizes) drivers/crypto/atmel-tdes.c:529:25: sparse: incompatible types in comparison expression (different type sizes) In file included from drivers/crypto/atmel-tdes.c:17:0: drivers/crypto/atmel-tdes.c: In function 'atmel_tdes_sg_copy': include/linux/kernel.h:753:16: warning: comparison of distinct pointer types lacks a cast (void) (&min1 == &min2); \ ^ include/linux/kernel.h:756:2: note: in expansion of macro '__min' __min(typeof(x), typeof(y), \ ^~~~~ drivers/crypto/atmel-tdes.c:157:11: note: in expansion of macro 'min' count = min(count, buflen); ^~~ In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from drivers/crypto/atmel-tdes.c:17: drivers/crypto/atmel-tdes.c: In function 'atmel_tdes_crypt_pdc_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:292:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~ drivers/crypto/atmel-tdes.c:339:4: note: in expansion of macro 'pr_err' pr_err("not all data converted: %u\n", count); ^~~~~~ drivers/crypto/atmel-tdes.c: In function 'atmel_tdes_buff_init': drivers/crypto/atmel-tdes.c:364:26: 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-tdes.c:372:26: 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); ^ In file included from drivers/crypto/atmel-tdes.c:17:0: drivers/crypto/atmel-tdes.c: In function 'atmel_tdes_crypt_start': include/linux/kernel.h:753:16: warning: comparison of distinct pointer types lacks a cast (void) (&min1 == &min2); \ ^ include/linux/kernel.h:756:2: note: in expansion of macro '__min' __min(typeof(x), typeof(y), \ ^~~~~ drivers/crypto/atmel-tdes.c:528:11: note: in expansion of macro 'min' count = min(dd->total, sg_dma_len(dd->in_sg)); ^~~ include/linux/kernel.h:753:16: warning: comparison of distinct pointer types lacks a cast (void) (&min1 == &min2); \ ^ include/linux/kernel.h:756:2: note: in expansion of macro '__min' __min(typeof(x), typeof(y), \ ^~~~~ drivers/crypto/atmel-tdes.c:529:11: 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-tdes.c:17: drivers/crypto/atmel-tdes.c: In function 'atmel_tdes_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:292:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~ drivers/crypto/atmel-tdes.c:664:5: note: in expansion of macro 'pr_err' pr_err("not all data converted: %u\n", count); ^~~~~~ vim +157 drivers/crypto/atmel-tdes.c 13802005 Nicolas Royer 2012-07-01 141 struct list_head dev_list; 13802005 Nicolas Royer 2012-07-01 142 spinlock_t lock; 13802005 Nicolas Royer 2012-07-01 143 }; 13802005 Nicolas Royer 2012-07-01 144 13802005 Nicolas Royer 2012-07-01 145 static struct atmel_tdes_drv atmel_tdes = { 13802005 Nicolas Royer 2012-07-01 146 .dev_list = LIST_HEAD_INIT(atmel_tdes.dev_list), 13802005 Nicolas Royer 2012-07-01 147 .lock = __SPIN_LOCK_UNLOCKED(atmel_tdes.lock), 13802005 Nicolas Royer 2012-07-01 148 }; 13802005 Nicolas Royer 2012-07-01 149 13802005 Nicolas Royer 2012-07-01 150 static int atmel_tdes_sg_copy(struct scatterlist **sg, size_t *offset, 13802005 Nicolas Royer 2012-07-01 151 void *buf, size_t buflen, size_t total, int out) 13802005 Nicolas Royer 2012-07-01 152 { 13802005 Nicolas Royer 2012-07-01 153 unsigned int count, off = 0; 13802005 Nicolas Royer 2012-07-01 154 13802005 Nicolas Royer 2012-07-01 155 while (buflen && total) { 13802005 Nicolas Royer 2012-07-01 156 count = min((*sg)->length - *offset, total); 13802005 Nicolas Royer 2012-07-01 @157 count = min(count, buflen); 13802005 Nicolas Royer 2012-07-01 158 13802005 Nicolas Royer 2012-07-01 159 if (!count) 13802005 Nicolas Royer 2012-07-01 160 return off; 13802005 Nicolas Royer 2012-07-01 161 13802005 Nicolas Royer 2012-07-01 162 scatterwalk_map_and_copy(buf + off, *sg, *offset, count, out); 13802005 Nicolas Royer 2012-07-01 163 13802005 Nicolas Royer 2012-07-01 164 off += count; 13802005 Nicolas Royer 2012-07-01 165 buflen -= count; :::::: The code at line 157 was first introduced by commit :::::: 13802005d8f2db244ec1f5d7f6923de8f7a463db crypto: atmel - add Atmel DES/TDES driver :::::: 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
