diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index 2f79bcb89d2e..fb471bf88ab7 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -69,6 +69,9 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
 	gfp_t gfp = mapping_gfp_mask(inode->i_mapping);
 
 	/* make various checks */
+	if (!newsize)
+		return 0;
+
 	order = get_order(newsize);
 	if (unlikely(order > MAX_PAGE_ORDER))
 		return -EFBIG;