tcm_fc: Handle target_submit_tmr allocation failure

This patch makes ft_send_tm() handle target_submit_tmr() allocation failures
via an ft_send_resp_code_and_free() w/ FCP_TMF_FAILED status.

Cc: Andy Grover <agrover@redhat.com>
Cc: Kiran Patil <kiran.patil@intel.com>
Cc: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index ed69c0deb102e397be7bd8eef8dfbddbcaf8ff77..be3319af5d8b95a66b353c6bfd4b253f157240cb 100644 (file)
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -354,6 +354,7 @@ static void ft_send_resp_code_and_free(struct ft_cmd *cmd,
 static void ft_send_tm(struct ft_cmd *cmd)
 {
        struct fcp_cmnd *fcp;
+       int rc;
        u8 tm_func;
 
        fcp = fc_frame_payload_get(cmd->req_frame, sizeof(*fcp));
@@ -384,9 +385,11 @@ static void ft_send_tm(struct ft_cmd *cmd)
                return;
        }
 
-       target_submit_tmr(&cmd->se_cmd, cmd->sess->se_sess,
+       rc = target_submit_tmr(&cmd->se_cmd, cmd->sess->se_sess,
                &cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun),
                cmd, tm_func, 0);
+       if (rc < 0)
+               ft_send_resp_code_and_free(cmd, FCP_TMF_FAILED);
 }
 
 /*