[PATCH] [MTD] JFFS2: memory leak in jffs2_do_mount_fs()

[Dmitry Adamushko]

[PATCH] [MTD] JFFS2: memory leak in jffs2_do_mount_fs()

If jffs2_sum_init() fails in jffs2_do_mount_fs(), c->blocks is not freed.
The patch addresses this issue.

Signed-off-by: Dmitry Adamushko <dmitry.adamushko at gmail dot com>

---

-- fs/jffs2/build.c    2006-12-17 21:29:07.000000000 +0100
+++ fs/jffs2/build-fix.c        2007-01-19 01:05:51.000000000 +0100
@@ -348,23 +348,27 @@ int jffs2_do_mount_fs(struct jffs2_sb_in

       ret = jffs2_sum_init(c);
       if (ret)
-               return ret;
+               goto out_blocks;

       if (jffs2_build_filesystem(c)) {
               dbg_fsbuild("build_fs failed\n");
               jffs2_free_ino_caches(c);
               jffs2_free_raw_node_refs(c);
-#ifndef __ECOS
-               if (jffs2_blocks_use_vmalloc(c))
-                       vfree(c->blocks);
-               else
-#endif
-                       kfree(c->blocks);

-               return -EIO;
+               ret = -EIO;
+               goto out_blocks;
       }

       jffs2_calc_trigger_levels(c);

       return 0;
+
+ out_blocks:
+#ifndef __ECOS
+               if (jffs2_blocks_use_vmalloc(c))
+                       vfree(c->blocks);
+               else
+#endif
+                       kfree(c->blocks);
+       return ret;
 }