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smack: call WARN_ONCE() instead of calling audit_log_start() 

Remove the call to audit_log() (which call audit_log_start()) and deal with
the errors in the caller, logging only once if the condition is met.  Calling
audit_log_start() in this location makes buffer allocation and locking more
complicated in the calling tree (audit_filter_user()).

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Richard Guy Briggs 2013-11-21 13:57:33 -05:00 committed by Eric Paris
parent 9ad42a7924
commit 4eb0f4abfb
1 changed files with 2 additions and 3 deletions
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5
security/smack/smack_lsm.c
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@ -3615,9 +3615,8 @@ static int smack_audit_rule_match(u32 secid, u32 field, u32 op, void *vrule,
struct smack_known *skp; struct smack_known *skp;
char *rule = vrule; char *rule = vrule;
if (!rule) { if (unlikely(!rule)) {
audit_log(actx, GFP_ATOMIC, AUDIT_SELINUX_ERR, WARN_ONCE(1, "Smack: missing rule\n");
"Smack: missing rule\n");
return -ENOENT; return -ENOENT;
} }