Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...

[linux-drm-fsl-dcu.git] / drivers / target / target_core_iblock.c

diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c
index 78346b850968ed8da28d88f35cf6a3ac15512a1b..d4a4b0fb444a12907fac835f6a3db03600b722fa 100644 (file)
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -464,6 +464,11 @@ iblock_execute_write_same(struct se_cmd *cmd)
        sector_t block_lba = cmd->t_task_lba;
        sector_t sectors = sbc_get_write_same_sectors(cmd);
 
+       if (cmd->prot_op) {
+               pr_err("WRITE_SAME: Protection information with IBLOCK"
+                      " backends not supported\n");
+               return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+       }
        sg = &cmd->t_data_sg[0];
 
        if (cmd->t_data_nents > 1 ||