acpi: Support namespace reads into user addresses.

Fixes #15176.
2019-09-13 22:03:10 -04:00
parent cf344027f8
commit 48a00c0f66
1 changed files with 5 additions and 1 deletions
@@ -14,6 +14,7 @@

 #include <Drivers.h>

+#include <kernel.h>
 #include <util/kernel_cpp.h>
 #include <util/ring_buffer.h>

@@ -389,7 +390,10 @@ RingBuffer::~RingBuffer()
 size_t
 RingBuffer::Read(void *buffer, ssize_t size)
 {
-	return ring_buffer_read(fBuffer, (uint8*)buffer, size);
+	if (IS_USER_ADDRESS(buffer))
+		return ring_buffer_user_read(fBuffer, (uint8*)buffer, size);
+	else
+		return ring_buffer_read(fBuffer, (uint8*)buffer, size);
 }