diff --git a/drivers/staging/android/ion/ion_buffer.c b/drivers/staging/android/ion/ion_buffer.c
index 9baca1a472b6..9c7a353a4220 100644
--- a/drivers/staging/android/ion/ion_buffer.c
+++ b/drivers/staging/android/ion/ion_buffer.c
@@ -249,6 +249,9 @@ void *ion_buffer_kmap_get(struct ion_buffer *buffer)
 	void *vaddr;
 
 	if (buffer->kmap_cnt) {
+		if (buffer->kmap_cnt == INT_MAX)
+			return ERR_PTR(-EOVERFLOW);
+
 		buffer->kmap_cnt++;
 		return buffer->vaddr;
 	}