Hi Shahar, [auto build test WARNING on net-next/master] [also build test WARNING on v4.4-rc3 next-20151127] url: https://github.com/0day-ci/linux/commits/Guy-Mishol/wlcore-wl18xx-fw-logger-over-sdio/20151202-222416 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/net/wireless/ti/wlcore/event.c:79:15: sparse: incompatible types in comparison expression (different type sizes) In file included from include/linux/list.h:8:0, from include/linux/kobject.h:20, from include/linux/device.h:17, from include/linux/platform_device.h:14, from drivers/net/wireless/ti/wlcore/wlcore.h:25, from drivers/net/wireless/ti/wlcore/event.c:24: drivers/net/wireless/ti/wlcore/event.c: In function 'wlcore_event_fw_logger': include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ >> drivers/net/wireless/ti/wlcore/event.c:79:8: note: in expansion of macro 'min' len = min(len, available_len); ^ -- /kbuild/src/sparse/include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c:79:15: sparse: incompatible types in comparison expression (different type sizes) In file included from /kbuild/src/sparse/include/linux/list.h:8:0, from /kbuild/src/sparse/include/linux/kobject.h:20, from /kbuild/src/sparse/include/linux/device.h:17, from /kbuild/src/sparse/include/linux/platform_device.h:14, from /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/wlcore.h:25, from /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c:24: /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c: In function 'wlcore_event_fw_logger': /kbuild/src/sparse/include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ >> /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c:79:8: note: in expansion of macro 'min' len = min(len, available_len); ^ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute >> drivers/net/wireless/ti/wlcore/event.c:79:15: sparse: incompatible types in comparison expression (different type sizes) In file included from include/linux/list.h:8:0, from include/linux/kobject.h:20, from include/linux/device.h:17, from include/linux/platform_device.h:14, from drivers/net/wireless/ti/wlcore/wlcore.h:25, from drivers/net/wireless/ti/wlcore/event.c:24: drivers/net/wireless/ti/wlcore/event.c: In function 'wlcore_event_fw_logger': include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ drivers/net/wireless/ti/wlcore/event.c:79:8: note: in expansion of macro 'min' len = min(len, available_len); ^ -- /kbuild/src/sparse/include/linux/compiler.h:228:8: sparse: attribute 'no_sanitize_address': unknown attribute >> /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c:79:15: sparse: incompatible types in comparison expression (different type sizes) In file included from /kbuild/src/sparse/include/linux/list.h:8:0, from /kbuild/src/sparse/include/linux/kobject.h:20, from /kbuild/src/sparse/include/linux/device.h:17, from /kbuild/src/sparse/include/linux/platform_device.h:14, from /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/wlcore.h:25, from /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c:24: /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c: In function 'wlcore_event_fw_logger': /kbuild/src/sparse/include/linux/kernel.h:724:17: warning: comparison of distinct pointer types lacks a cast (void) (&_min1 == &_min2); \ ^ /kbuild/src/sparse/drivers/net/wireless/ti/wlcore/event.c:79:8: note: in expansion of macro 'min' len = min(len, available_len); ^ vim +/min +79 drivers/net/wireless/ti/wlcore/event.c 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 20 * 02110-1301 USA 21 * 22 */ 23 > 24 #include "wlcore.h" 25 #include "debug.h" 26 #include "io.h" 27 #include "event.h" 28 #include "ps.h" 29 #include "scan.h" 30 #include "wl12xx_80211.h" 31 #include "hw_ops.h" 32 33 #define WL18XX_LOGGER_SDIO_BUFF_MAX (0x1020) 34 #define WL18XX_DATA_RAM_BASE_ADDRESS (0x20000000) 35 #define WL18XX_LOGGER_SDIO_BUFF_ADDR (0x40159c) 36 #define WL18XX_LOGGER_BUFF_OFFSET (sizeof(struct fw_logger_information)) 37 #define WL18XX_LOGGER_READ_POINT_OFFSET (12) 38 39 int wlcore_event_fw_logger(struct wl1271 *wl) 40 { 41 u32 ret; 42 struct fw_logger_information fw_log; 43 u8 *buffer; 44 u32 internal_fw_addrbase = WL18XX_DATA_RAM_BASE_ADDRESS; 45 u32 addr = WL18XX_LOGGER_SDIO_BUFF_ADDR; 46 u32 end_buff_addr = WL18XX_LOGGER_SDIO_BUFF_ADDR + 47 WL18XX_LOGGER_BUFF_OFFSET; 48 u32 available_len; 49 u32 clear_addr; 50 size_t len; 51 u32 start_loc; 52 53 buffer = kzalloc(WL18XX_LOGGER_SDIO_BUFF_MAX, GFP_KERNEL); 54 if (!buffer) { 55 wl1271_error("Fail to allocate fw logger memory"); 56 fw_log.actual_buff_size = 0; 57 goto out; 58 } 59 60 ret = wlcore_read(wl, addr, buffer, WL18XX_LOGGER_SDIO_BUFF_MAX, 61 false); 62 if (ret < 0) { 63 wl1271_error("Fail to read logger buffer, error_id = %d", 64 ret); 65 fw_log.actual_buff_size = 0; 66 goto free_out; 67 } 68 69 memcpy(&fw_log, buffer, sizeof(fw_log)); 70 71 if (fw_log.actual_buff_size == 0) 72 goto free_out; 73 74 len = fw_log.actual_buff_size; 75 start_loc = (fw_log.buff_read_ptr - internal_fw_addrbase) - addr; 76 end_buff_addr += fw_log.max_buff_size; 77 available_len = end_buff_addr - 78 (fw_log.buff_read_ptr - internal_fw_addrbase); > 79 len = min(len, available_len); 80 81 wl12xx_copy_fwlog(wl, &buffer[start_loc], len); 82 clear_addr = addr + start_loc + fw_log.actual_buff_size + --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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