ext4: fix error handling in ext4_ext_shift_extents (8dc79ec4) · Commits · 戴 / test

fs/ext4/extents.c

+9 −2

Original line number	Diff line number	Diff line
		@@ -5314,11 +5314,18 @@ ext4_ext_shift_extents(struct inode inode, handle_t handle,
		* enough to accomodate the shift.
		*/
		path = ext4_ext_find_extent(inode, start - 1, NULL, 0);
		if (IS_ERR(path))
		return PTR_ERR(path);
		depth = path->p_depth;
		extent = path[depth].p_ext;
		if (extent) {
		ex_start = le32_to_cpu(extent->ee_block);
		ex_end = le32_to_cpu(extent->ee_block) +
		ext4_ext_get_actual_len(extent);
		} else {
		ex_start = 0;
		ex_end = 0;
		}
		ext4_ext_drop_refs(path);
		kfree(path);