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-rw-r--r--arch/x86/kernel/ptrace.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 73554a3aae8..d03146f71b2 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -678,7 +678,7 @@ static unsigned long ptrace_get_debugreg(struct task_struct *tsk, int n)
} else if (n == 6) {
val = thread->debugreg6;
} else if (n == 7) {
- val = ptrace_get_dr7(thread->ptrace_bps);
+ val = thread->ptrace_dr7;
}
return val;
}
@@ -754,8 +754,11 @@ int ptrace_set_debugreg(struct task_struct *tsk, int n, unsigned long val)
return rc;
}
/* All that's left is DR7 */
- if (n == 7)
+ if (n == 7) {
rc = ptrace_write_dr7(tsk, val);
+ if (!rc)
+ thread->ptrace_dr7 = val;
+ }
ret_path:
return rc;