Smack: Fix possible NULL pointer dereference at smk_netlbl_mls()

[platform/kernel/kernel-mfld-blackbay.git] / security / smack / smack_access.c

diff --git a/security/smack/smack_access.c b/security/smack/smack_access.c
index 425a6a2..bd8338f 100644 (file)
--- a/security/smack/smack_access.c
+++ b/security/smack/smack_access.c
@@ -402,6 +402,8 @@ int smk_netlbl_mls(int level, char *catset, struct netlbl_lsm_secattr *sap,
        sap->flags |= NETLBL_SECATTR_MLS_CAT;
        sap->attr.mls.lvl = level;
        sap->attr.mls.cat = netlbl_secattr_catmap_alloc(GFP_ATOMIC);
+       if (!sap->attr.mls.cat)
+               return -ENOMEM;
        sap->attr.mls.cat->startbit = 0;
 
        for (cat = 1, cp = catset, byte = 0; byte < len; cp++, byte++)