Hi Ivan, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.20-rc1 next-20181105] [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/Ivan-Roman/USB-serial-io_ti-Replaced-simple_strtoul-with-kstrtoul-Formatting-issues/20181105-194308 config: x86_64-randconfig-x018-201844 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:5:0, from include/uapi/linux/types.h:14, from include/linux/compiler.h:163, from include/linux/export.h:45, from include/linux/linkage.h:7, from include/linux/kernel.h:7, from drivers/usb/serial/io_ti.c:16: drivers/usb/serial/io_ti.c: In function 'uart_mode_store': >> include/linux/stddef.h:8:14: warning: passing argument 2 of 'kstrtoul' makes integer from pointer without a cast [-Wint-conversion] #define NULL ((void *)0) ^ >> drivers/usb/serial/io_ti.c:2656:36: note: in expansion of macro 'NULL' unsigned int v = kstrtoul(valbuf, NULL, 0); ^~~~ In file included from drivers/usb/serial/io_ti.c:16:0: include/linux/kernel.h:366:32: note: expected 'unsigned int' but argument is of type 'void *' static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res) ^~~~~~~~ -- In file included from include/uapi/linux/posix_types.h:5:0, from include/uapi/linux/types.h:14, from include/linux/compiler.h:163, from include/linux/export.h:45, from include/linux/linkage.h:7, from include/linux/kernel.h:7, from drivers/usb//serial/io_ti.c:16: drivers/usb//serial/io_ti.c: In function 'uart_mode_store': >> include/linux/stddef.h:8:14: warning: passing argument 2 of 'kstrtoul' makes integer from pointer without a cast [-Wint-conversion] #define NULL ((void *)0) ^ drivers/usb//serial/io_ti.c:2656:36: note: in expansion of macro 'NULL' unsigned int v = kstrtoul(valbuf, NULL, 0); ^~~~ In file included from drivers/usb//serial/io_ti.c:16:0: include/linux/kernel.h:366:32: note: expected 'unsigned int' but argument is of type 'void *' static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res) ^~~~~~~~ vim +/NULL +2656 drivers/usb/serial/io_ti.c 2650 2651 static ssize_t uart_mode_store(struct device *dev, 2652 struct device_attribute *attr, const char *valbuf, size_t count) 2653 { 2654 struct usb_serial_port *port = to_usb_serial_port(dev); 2655 struct edgeport_port *edge_port = usb_get_serial_port_data(port); > 2656 unsigned int v = kstrtoul(valbuf, NULL, 0); 2657 2658 dev_dbg(dev, "%s: setting uart_mode = %d\n", __func__, v); 2659 2660 if (v < 256) 2661 edge_port->bUartMode = v; 2662 else 2663 dev_err(dev, "%s - uart_mode %d is invalid\n", __func__, v); 2664 2665 return count; 2666 } 2667 static DEVICE_ATTR_RW(uart_mode); 2668 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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