提交 ea66e8a3 编写于 作者: J Jeff Dike 提交者: Linus Torvalds

[PATCH] uml: fix a ptrace call

This fixes write_ldt_entry to treat userspace_pid as an array.
Signed-off-by: NJeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 fd7aab9c
......@@ -25,7 +25,7 @@ int sys_modify_ldt_tt(int func, void __user *ptr, unsigned long bytecount)
#endif
#ifdef CONFIG_MODE_SKAS
extern int userspace_pid;
extern int userspace_pid[];
#include "skas_ptrace.h"
......@@ -56,7 +56,8 @@ int sys_modify_ldt_skas(int func, void __user *ptr, unsigned long bytecount)
ldt = ((struct ptrace_ldt) { .func = func,
.ptr = buf,
.bytecount = bytecount });
res = ptrace(PTRACE_LDT, userspace_pid, 0, (unsigned long) &ldt);
#warning Need to look up userspace_pid by cpu
res = ptrace(PTRACE_LDT, userspace_pid[0], 0, (unsigned long) &ldt);
if(res < 0)
goto out;
......
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