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authorMike Christie <michaelc@cs.wisc.edu>2011-06-24 15:11:55 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2011-10-03 11:41:02 -0700
commit6d901cfa36fbf9682aa467cafacb765baa1c10af (patch)
treedf57a1880c34b6bc33b50f7b8260546133381c21
parent8341e503c2628f056a9fdfe244f15c96b31c04c9 (diff)
libiscsi_tcp: fix LLD data allocation
commit 74dcd0ec735ba9c5bef254b2f6e53068cf3f9ff0 upstream. Have libiscsi_tcp have upper layers allocate the LLD data along with the iscsi_cls_conn struct, so it is refcounted. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--drivers/scsi/libiscsi_tcp.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index e98ae33f1295..09b232fd9a1b 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -1084,7 +1084,8 @@ iscsi_tcp_conn_setup(struct iscsi_cls_session *cls_session, int dd_data_size,
struct iscsi_cls_conn *cls_conn;
struct iscsi_tcp_conn *tcp_conn;
- cls_conn = iscsi_conn_setup(cls_session, sizeof(*tcp_conn), conn_idx);
+ cls_conn = iscsi_conn_setup(cls_session,
+ sizeof(*tcp_conn) + dd_data_size, conn_idx);
if (!cls_conn)
return NULL;
conn = cls_conn->dd_data;
@@ -1096,22 +1097,13 @@ iscsi_tcp_conn_setup(struct iscsi_cls_session *cls_session, int dd_data_size,
tcp_conn = conn->dd_data;
tcp_conn->iscsi_conn = conn;
-
- tcp_conn->dd_data = kzalloc(dd_data_size, GFP_KERNEL);
- if (!tcp_conn->dd_data) {
- iscsi_conn_teardown(cls_conn);
- return NULL;
- }
+ tcp_conn->dd_data = conn->dd_data + sizeof(*tcp_conn);
return cls_conn;
}
EXPORT_SYMBOL_GPL(iscsi_tcp_conn_setup);
void iscsi_tcp_conn_teardown(struct iscsi_cls_conn *cls_conn)
{
- struct iscsi_conn *conn = cls_conn->dd_data;
- struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
-
- kfree(tcp_conn->dd_data);
iscsi_conn_teardown(cls_conn);
}
EXPORT_SYMBOL_GPL(iscsi_tcp_conn_teardown);