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Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r--security/smack/smack_lsm.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 1c11e4245859..5b690482f8cb 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -701,7 +701,7 @@ static int smack_inode_getsecurity(const struct inode *inode,
return -EOPNOTSUPP;
sock = SOCKET_I(ip);
- if (sock == NULL)
+ if (sock == NULL || sock->sk == NULL)
return -EOPNOTSUPP;
ssp = sock->sk->sk_security;
@@ -1280,10 +1280,11 @@ static void smack_to_secattr(char *smack, struct netlbl_lsm_secattr *nlsp)
*/
static int smack_netlabel(struct sock *sk)
{
- struct socket_smack *ssp = sk->sk_security;
+ struct socket_smack *ssp;
struct netlbl_lsm_secattr secattr;
int rc = 0;
+ ssp = sk->sk_security;
netlbl_secattr_init(&secattr);
smack_to_secattr(ssp->smk_out, &secattr);
if (secattr.flags != NETLBL_SECATTR_NONE)
@@ -1331,7 +1332,7 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name,
return -EOPNOTSUPP;
sock = SOCKET_I(inode);
- if (sock == NULL)
+ if (sock == NULL || sock->sk == NULL)
return -EOPNOTSUPP;
ssp = sock->sk->sk_security;
@@ -1362,7 +1363,7 @@ static int smack_inode_setsecurity(struct inode *inode, const char *name,
static int smack_socket_post_create(struct socket *sock, int family,
int type, int protocol, int kern)
{
- if (family != PF_INET)
+ if (family != PF_INET || sock->sk == NULL)
return 0;
/*
* Set the outbound netlbl.

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