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iscsi-target: Fix sess allocation leak in iscsi_login_zero_tsih_s1

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This patch adds missing kfree() for an allocation in iscsi_login_zero_tsih_s1()
code, and make transport_init_session() check for IS_ERR() returns.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger 2011-11-04 11:36:38 -07:00
parent 03e98c9eb9
commit 0957627a99
1 changed files with 8 additions and 5 deletions
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13
drivers/target/iscsi/iscsi_target_login.c
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@ -224,7 +224,7 @@ static int iscsi_login_zero_tsih_s1(
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
pr_err("Could not allocate memory for session\n");
return -1;
return -ENOMEM;
}
iscsi_login_set_conn_values(sess, conn, pdu->cid);
@ -250,7 +250,8 @@ static int iscsi_login_zero_tsih_s1(
pr_err("idr_pre_get() for sess_idr failed\n");
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
return -1;
kfree(sess);
return -ENOMEM;
}
spin_lock(&sess_idr_lock);
idr_get_new(&sess_idr, NULL, &sess->session_index);
@ -270,14 +271,16 @@ static int iscsi_login_zero_tsih_s1(
ISCSI_LOGIN_STATUS_NO_RESOURCES);
pr_err("Unable to allocate memory for"
" struct iscsi_sess_ops.\n");
return -1;
kfree(sess);
return -ENOMEM;
}
sess->se_sess = transport_init_session();
if (!sess->se_sess) {
if (IS_ERR(sess->se_sess)) {
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
return -1;
kfree(sess);
return -ENOMEM;
}
return 0;