我正在使用内核3.13.0编写Linux设备驱动程序,我不明白为什么会收到这个警告。warning: initialization from incompatible pointer type [enabled by default] len, loff_t *p_off) //Not relevant to this questionssize_t
modules/5.13.0-37-generic/build M=/home/a1085551/osc10e/ch2 modules
make[1]: Entering directory '/usr/src/linux-headers/include/linux/proc_fs.h:110:24: note: expected ‘const struct proc_ops *’ but argument is of type