diff --git a/drivers/staging/lttng/lib/ringbuffer/ring_buffer_mmap.c b/drivers/staging/lttng/lib/ringbuffer/ring_buffer_mmap.c
index 68221ee9a87030563ed212ac3b32afde26572f92..cf374348d907334f81e3f2d9b67ef8bce44789d2 100644
--- a/drivers/staging/lttng/lib/ringbuffer/ring_buffer_mmap.c
+++ b/drivers/staging/lttng/lib/ringbuffer/ring_buffer_mmap.c
@@ -30,9 +30,6 @@ static int lib_ring_buffer_fault(struct vm_area_struct *vma, struct vm_fault *vm
 	void **virt;
 	unsigned long offset, sb_bindex;
 
-	if (!buf)
-		return VM_FAULT_OOM;
-
 	/*
 	 * Verify that faults are only done on the range of pages owned by the
 	 * reader.