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[PATCH] uml: fix a ptrace call

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This fixes write_ldt_entry to treat userspace_pid as an array.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jeff Dike
2005-05-05 16:15:30 -07:00
committed by Linus Torvalds
parent fd7aab9c1a
commit ea66e8a3b6
1 changed files with 3 additions and 2 deletions
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5
arch/um/sys-i386/ldt.c
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@ -25,7 +25,7 @@ int sys_modify_ldt_tt(int func, void __user *ptr, unsigned long bytecount)
#endif #endif
#ifdef CONFIG_MODE_SKAS #ifdef CONFIG_MODE_SKAS
extern int userspace_pid; extern int userspace_pid[];
#include "skas_ptrace.h" #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, ldt = ((struct ptrace_ldt) { .func = func,
.ptr = buf, .ptr = buf,
.bytecount = bytecount }); .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) if(res < 0)
goto out; goto out;