Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel…

…/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: Ext4: Fix online resize block group descriptor corruption
mariux64 · Jun 21, 2008 · 62a8efe · 62a8efe
2 parents bec95aa + 2856922
commit 62a8efe
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
@@ -855,7 +855,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
 	 */
 
 	/* Update group descriptor block for new group */
-	gdp = (struct ext4_group_desc *)primary->b_data + gdb_off;
+	gdp = (struct ext4_group_desc *)((char *)primary->b_data +
+					 gdb_off * EXT4_DESC_SIZE(sb));
 
 	ext4_block_bitmap_set(sb, gdp, input->block_bitmap); /* LV FIXME */
 	ext4_inode_bitmap_set(sb, gdp, input->inode_bitmap); /* LV FIXME */