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NetLabel: convert a BUG_ON in the CIPSO code to a runtime check

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This patch changes a BUG_ON in the CIPSO code to a runtime check.  It should
also increase the readability of the code as it replaces an unexplained
constant with a well defined macro.

Signed-off-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
Paul Moore 2007-02-28 15:14:21 -05:00 committed by James Morris
parent f998e8cb52
commit 128c6b6cbf
1 changed files with 3 additions and 1 deletions
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4
net/ipv4/cipso_ipv4.c
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@ -1142,7 +1142,9 @@ static int cipso_v4_map_cat_rng_hton(const struct cipso_v4_doi *doi_def,
u32 cat_size = 0;
/* make sure we don't overflow the 'array[]' variable */
BUG_ON(net_cat_len > 30);
if (net_cat_len >
(CIPSO_V4_OPT_LEN_MAX - CIPSO_V4_HDR_LEN - CIPSO_V4_TAG_RNG_BLEN))
return -ENOSPC;
for (;;) {
iter = netlbl_secattr_catmap_walk(secattr->mls_cat, iter + 1);