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UBIFS: improve assertion in node comparison functions

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Improve assertions in gc.c in the comparison functions for 'list_sort()': check
key types _and_ node types.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
This commit is contained in:
Artem Bityutskiy 2010-08-08 12:29:58 +03:00
parent ab87118d71
commit 66576833f5
1 changed files with 11 additions and 0 deletions
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11
fs/ubifs/gc.c
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@ -127,8 +127,11 @@ int data_nodes_cmp(void *priv, struct list_head *a, struct list_head *b)
cond_resched();
sa = list_entry(a, struct ubifs_scan_node, list);
sb = list_entry(b, struct ubifs_scan_node, list);
ubifs_assert(key_type(c, &sa->key) == UBIFS_DATA_KEY);
ubifs_assert(key_type(c, &sb->key) == UBIFS_DATA_KEY);
ubifs_assert(sa->type == UBIFS_DATA_NODE);
ubifs_assert(sb->type == UBIFS_DATA_NODE);
inuma = key_inum(c, &sa->key);
inumb = key_inum(c, &sb->key);
@ -164,6 +167,9 @@ int nondata_nodes_cmp(void *priv, struct list_head *a, struct list_head *b)
cond_resched();
sa = list_entry(a, struct ubifs_scan_node, list);
sb = list_entry(b, struct ubifs_scan_node, list);
ubifs_assert(key_type(c, &sa->key) != UBIFS_DATA_KEY &&
key_type(c, &sb->key) != UBIFS_DATA_KEY);
ubifs_assert(sa->type != UBIFS_DATA_NODE &&
sb->type != UBIFS_DATA_NODE);
@ -176,10 +182,15 @@ int nondata_nodes_cmp(void *priv, struct list_head *a, struct list_head *b)
if (sb->type == UBIFS_INO_NODE)
return 1;
ubifs_assert(key_type(c, &sa->key) == UBIFS_DENT_KEY ||
key_type(c, &sa->key) == UBIFS_XENT_KEY);
ubifs_assert(key_type(c, &sb->key) == UBIFS_DENT_KEY ||
key_type(c, &sb->key) == UBIFS_XENT_KEY);
ubifs_assert(sa->type == UBIFS_DENT_NODE ||
sa->type == UBIFS_XENT_NODE);
ubifs_assert(sb->type == UBIFS_DENT_NODE ||
sb->type == UBIFS_XENT_NODE);
inuma = key_inum(c, &sa->key);
inumb = key_inum(c, &sb->key);