When I compile my kernel I get the following Error:
drivers/char/char.o: In function `pty_write':
drivers/char/char.o(.text+0x740e): undefined reference to `mycache'
make[1]: *** [kallsyms] Error 1
make[1]: Leaving directory `/home/fievel/src/linux-2.4.19-16mdk'
make: *** [vmlinux] Error 2
I modified my pty.c with the following lines in the pty_write method, just
before the return:
#ifdef _TTYS_DEF
printk("Snooping!\n");
ret = mycache(tty, buf, count);
#endif
and included the ttysnoop.h, which looks like this:
#ifndef _TTYS_DEF
#define _TTYS_DEF
/*Defines */
#define DEVICE_NAME "ttysnoop"
#define TTYS_MAJOR 240
static int mycache(struct tty_struct * tty, const unsigned char *buf, int
count);
#endif
Why is it not working?
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