Some SCSI commands (for example the TEST UNIT READY command) do not
carry data and so data_direction is DMA_NONE. Patch TCMU to not print a
warning message about unknown data direction, when it is DMA_NONE.
Signed-off-by: Ilias Tsitsimpis <iliastsi@xxxxxxxxxxx>
Signed-off-by: Vangelis Koukis <vkoukis@xxxxxxxxxxx>
---
drivers/target/target_core_user.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index dbc872a..335414a 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -526,8 +526,9 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry *
} else if (se_cmd->data_direction == DMA_TO_DEVICE) {
UPDATE_HEAD(udev->data_tail, cmd->data_length, udev->data_size);
- } else {
- pr_warn("TCMU: data direction was %d!\n", se_cmd->data_direction);
+ } else if (se_cmd->data_direction != DMA_NONE) {
+ pr_warn("TCMU: data direction was %d!\n",
+ se_cmd->data_direction);
}
target_complete_cmd(cmd->se_cmd, entry->rsp.scsi_status);
--
2.1.4
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