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path: root/drivers/target/iscsi/iscsi_target.c
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Diffstat (limited to 'drivers/target/iscsi/iscsi_target.c')
-rw-r--r--drivers/target/iscsi/iscsi_target.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 4d01768fcd90..0fd96c10271d 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -22,6 +22,7 @@
#include <linux/kthread.h>
#include <linux/crypto.h>
#include <linux/completion.h>
+#include <linux/module.h>
#include <asm/unaligned.h>
#include <scsi/scsi_device.h>
#include <scsi/iscsi_proto.h>
@@ -1079,7 +1080,9 @@ attach_cmd:
*/
if (!cmd->immediate_data) {
cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn);
- if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER)
+ if (cmdsn_ret == CMDSN_LOWER_THAN_EXP)
+ return 0;
+ else if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER)
return iscsit_add_reject_from_cmd(
ISCSI_REASON_PROTOCOL_ERROR,
1, 0, buf, cmd);
@@ -1819,17 +1822,16 @@ attach:
int cmdsn_ret = iscsit_sequence_cmd(conn, cmd, hdr->cmdsn);
if (cmdsn_ret == CMDSN_HIGHER_THAN_EXP)
out_of_order_cmdsn = 1;
- else if (cmdsn_ret == CMDSN_LOWER_THAN_EXP) {
+ else if (cmdsn_ret == CMDSN_LOWER_THAN_EXP)
return 0;
- } else { /* (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER) */
+ else if (cmdsn_ret == CMDSN_ERROR_CANNOT_RECOVER)
return iscsit_add_reject_from_cmd(
ISCSI_REASON_PROTOCOL_ERROR,
1, 0, buf, cmd);
- }
}
iscsit_ack_from_expstatsn(conn, hdr->exp_statsn);
- if (out_of_order_cmdsn)
+ if (out_of_order_cmdsn || !(hdr->opcode & ISCSI_OP_IMMEDIATE))
return 0;
/*
* Found the referenced task, send to transport for processing.