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[JFFS2] Add some preemptive BUG checks for XATTR code

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In a couple of places, we assume that what's at the end of the
->next_in_ino list is a struct jffs2_inode_cache. Let's check
for that, since we expect it to change soon.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2006-05-22 16:29:23 +01:00
parent fcb7578719
commit 0eac940b8a
2 changed files with 5 additions and 0 deletions
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1
fs/jffs2/erase.c
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@ -230,6 +230,7 @@ static inline void jffs2_remove_node_refs_from_ino_list(struct jffs2_sb_info *c,
at the end of the linked list. Stash it and continue
from the beginning of the list */
ic = (struct jffs2_inode_cache *)(*prev);
BUG_ON(ic->class != RAWNODE_CLASS_INODE_CACHE);
prev = &ic->nodes;
continue;
}

4
fs/jffs2/nodemgmt.c
View File

@ -661,6 +661,10 @@ void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref
spin_lock(&c->erase_completion_lock);
ic = jffs2_raw_ref_to_ic(ref);
/* It seems we should never call jffs2_mark_node_obsolete() for
XATTR nodes.... yet. Make sure we notice if/when we change
that :) */
BUG_ON(ic->class != RAWNODE_CLASS_INODE_CACHE);
for (p = &ic->nodes; (*p) != ref; p = &((*p)->next_in_ino))
;