diff options
author | Mike Christie <michaelc@cs.wisc.edu> | 2011-02-16 15:04:41 -0600 |
---|---|---|
committer | James Bottomley <James.Bottomley@suse.de> | 2011-02-24 12:41:26 -0500 |
commit | c7f7fd5b7ea114e0f85fc4f2a853f6564410588d (patch) | |
tree | 2e295b156c37a8d6ec6254ca6a1fed3db4b50118 /drivers/scsi/be2iscsi/be_iscsi.c | |
parent | 7c53c6f89d7a6487986c51cd73ae9a9be338a8f4 (diff) | |
download | linux-c7f7fd5b7ea114e0f85fc4f2a853f6564410588d.tar.bz2 |
[SCSI] be2iscsi: fix null ptr ref in conn get param
The ep_disconnect function could be freeing the ep
while beiscsi_conn_get_param is running. This has
the driver use the get ep param callback instead
of the get conn param to fix this.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/be2iscsi/be_iscsi.c')
-rw-r--r-- | drivers/scsi/be2iscsi/be_iscsi.c | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index eaaa8813067d..868cc5590145 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -210,28 +210,20 @@ int beiscsi_conn_bind(struct iscsi_cls_session *cls_session, } /** - * beiscsi_conn_get_param - get the iscsi parameter - * @cls_conn: pointer to iscsi cls conn + * beiscsi_ep_get_param - get the iscsi parameter + * @ep: pointer to iscsi ep * @param: parameter type identifier * @buf: buffer pointer * * returns iscsi parameter */ -int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, +int beiscsi_ep_get_param(struct iscsi_endpoint *ep, enum iscsi_param param, char *buf) { - struct beiscsi_endpoint *beiscsi_ep; - struct iscsi_conn *conn = cls_conn->dd_data; - struct beiscsi_conn *beiscsi_conn = conn->dd_data; + struct beiscsi_endpoint *beiscsi_ep = ep->dd_data; int len = 0; SE_DEBUG(DBG_LVL_8, "In beiscsi_conn_get_param, param= %d\n", param); - beiscsi_ep = beiscsi_conn->ep; - if (!beiscsi_ep) { - SE_DEBUG(DBG_LVL_1, - "In beiscsi_conn_get_param , no beiscsi_ep\n"); - return -ENODEV; - } switch (param) { case ISCSI_PARAM_CONN_PORT: @@ -244,7 +236,7 @@ int beiscsi_conn_get_param(struct iscsi_cls_conn *cls_conn, len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr); break; default: - return iscsi_conn_get_param(cls_conn, param, buf); + return -ENOSYS; } return len; } |