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um/ptrace: Fix the syscall number update after a ptrace
[cascardo/linux.git]
/
arch
/
x86
/
um
/
ptrace_32.c
diff --git
a/arch/x86/um/ptrace_32.c
b/arch/x86/um/ptrace_32.c
index
ebd4dd6
..
a7ef7b1
100644
(file)
--- a/
arch/x86/um/ptrace_32.c
+++ b/
arch/x86/um/ptrace_32.c
@@
-84,7
+84,10
@@
int putreg(struct task_struct *child, int regno, unsigned long value)
case EAX:
case EIP:
case UESP:
+ break;
case ORIG_EAX:
+ /* Update the syscall number. */
+ UPT_SYSCALL_NR(&child->thread.regs.regs) = value;
break;
case FS:
if (value && (value & 3) != 3)