diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c
index 8bc094fd2d80..dcffd78a1b64 100644
--- a/drivers/char/adsprpc.c
+++ b/drivers/char/adsprpc.c
@@ -1026,6 +1026,12 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd,
 		map->size = len;
 		map->va = (uintptr_t)region_vaddr;
 	} else if (mflags == FASTRPC_DMAHANDLE_NOMAP) {
+		if (map->attr & FASTRPC_ATTR_KEEP_MAP) {
+			pr_err("adsprpc: %s: Invalid attribute 0x%x for fd %d\n",
+				__func__, map->attr, fd);
+			err = -EINVAL;
+			goto bail;
+		}
 		VERIFY(err, !IS_ERR_OR_NULL(map->buf = dma_buf_get(fd)));
 		if (err)
 			goto bail;