summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMike Christie <michaelc@cs.wisc.edu>2015-04-10 02:47:27 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-19 10:10:50 +0200
commit81b444c779298d121606e956122bbcbe395ffc60 (patch)
tree2b212c2255df042a7b8f5308f969fe87ade13625
parentf3326a5594dbb8faf47fb105740baa936d3445d1 (diff)
iscsi target: fix oops when adding reject pdu
commit b815fc12d4dd2b5586184fb4f867caff05a810d4 upstream. This fixes a oops due to a double list add when adding a reject PDU for iscsit_allocate_iovecs allocation failures. The cmd has already been added to the conn_cmd_list in iscsit_setup_scsi_cmd, so this has us call iscsit_reject_cmd. Note that for ERL0 the reject PDU is not actually sent, so this patch is not completely tested. Just verified we do not oops. The problem is the add reject functions return -1 which is returned all the way up to iscsi_target_rx_thread which for ERL0 will drop the connection. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/target/iscsi/iscsi_target.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 9559ea749d83..5a3ea20e9cb5 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -1179,7 +1179,7 @@ iscsit_handle_scsi_cmd(struct iscsi_conn *conn, struct iscsi_cmd *cmd,
* traditional iSCSI block I/O.
*/
if (iscsit_allocate_iovecs(cmd) < 0) {
- return iscsit_add_reject_cmd(cmd,
+ return iscsit_reject_cmd(cmd,
ISCSI_REASON_BOOKMARK_NO_RESOURCES, buf);
}
immed_data = cmd->immediate_data;