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Commit ea66e8a3 authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds
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[PATCH] uml: fix a ptrace call 



This fixes write_ldt_entry to treat userspace_pid as an array.

Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent fd7aab9c

arch/um/sys-i386/ldt.c

+3 −2
Original line number Diff line number Diff line
@@ -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;