security: secid_to_secctx returns len when data is NULL

[net-next-2.6.git] / security / smack / smack_lsm.c

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 174aec44bfac73992db7716bfd9a270db1081a88..bc39f4067af668874312af4187ad6f21dbdbb113 100644 (file)
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3004,7 +3004,8 @@ static int smack_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 {
        char *sp = smack_from_secid(secid);
 
-       *secdata = sp;
+       if (secdata)
+               *secdata = sp;
        *seclen = strlen(sp);
        return 0;
 }