I'm trying to use ddi_copyin to copy a string from a user application to a
psuedo driver in kernel space.
How do I copy data and print it out? Anyone know of any resources I can look
at with an example?
Here's the ioctl code:
char *strPtr, *string;
...
case STR_COPY:
ddi_copyin((char *)arg, strPtr, sizeof (char*), mode);
strcpy(string, strPtr); // EXPLODES HERE
break;
...
User code:
ioctl(fd, STR_COPY, stringPtr);
New to driver programming, be gentle...
Thanks
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