* Licensed under the GPL
*/
+#include "linux/compiler.h"
#include "linux/stddef.h"
#include "linux/kernel.h"
#include "linux/string.h"
if(IS_ERR(phys) || (is_write && !pte_write(pte))){
err = handle_page_fault(virt, 0, is_write, 1, &dummy_code);
if(err)
- return(0);
+ return(-1UL);
phys = um_virt_to_phys(current, virt, NULL);
}
+ if(IS_ERR(phys))
+ phys = (void *) -1;
+
return((unsigned long) phys);
}
int n;
addr = maybe_map(addr, is_write);
- if(addr == -1)
+ if(addr == -1UL)
return(-1);
page = phys_to_page(addr);
void *arg;
int *res;
- /* Some old gccs recognize __va_copy, but not va_copy */
- __va_copy(args, *(va_list *)arg_ptr);
+ va_copy(args, *(va_list *)arg_ptr);
addr = va_arg(args, unsigned long);
len = va_arg(args, int);
is_write = va_arg(args, int);