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Plug a memory leak which can occur when multiple MAC policies are loaded

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which label mbufs.  This leak can occur if one policy successfully allocates
label storage and subsequent allocations from other policies fail.

Spotted by:	rwatson
MFC after:	1 week
This commit is contained in:
Christian S.J. Peron 2008-05-27 14:18:02 +00:00
parent 2da0808aec
commit 1f84ab0f2a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=179359
1 changed files with 4 additions and 0 deletions
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4
sys/security/mac/mac_inet.c
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@ -369,6 +369,10 @@ mac_syncache_init(struct label **label)
* allocation failures back to the syncache code.
*/
MAC_CHECK(syncache_init_label, *label, M_NOWAIT);
if (error) {
MAC_PERFORM(syncache_destroy_label, *label);
mac_labelzone_free(*label);
}
return (error);
}