Merge branch 'scsi-target-for-v4.10' of...

Merge branch 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux

Pull scsi target cleanups from Bart Van Assche:
 "The changes here are:

   - a few small bug fixes for the iSCSI and user space target drivers.

   - minimize the target build time by about 30% by rearranging #include
     directives

   - fix the second argument passed to percpu_ida_alloc()

   - reduce the number of false positive warnings reported by sparse

  These patches pass Wu Fengguang's build bot tests and also the
  linux-next tests"

* 'scsi-target-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bvanassche/linux:
  iscsi-target: Return error if unable to add network portal
  target: Fix spelling mistake and unwrap multi-line text
  target/iscsi: Fix double free in lio_target_tiqn_addtpg()
  target/user: Fix use-after-free of tcmu_cmds if they are expired
  target: Minimize #include directives
  target/user: Add an #include directive
  cxgbit: Add an #include directive
  ibmvscsi_tgt: Add two #include directives
  sbp-target: Add an #include directive
  qla2xxx: Add an #include directive
  configfs: Minimize #include directives
  usb: gadget: Fix second argument of percpu_ida_alloc()
  sbp-target: Fix second argument of percpu_ida_alloc()
  target/user: Fix a data type in tcmu_queue_cmd()
  target: Use NULL instead of 0 to represent a pointer

drivers/target/iscsi/iscsi_target_nego.h

@@ -4,6 +4,10 @@
 #define DECIMAL         0
 #define HEX             1
 
+struct iscsi_conn;
+struct iscsi_login;
+struct iscsi_np;
+
 extern void convert_null_to_semi(char *, int);
 extern int extract_param(const char *, const char *, unsigned int, char *,
 		unsigned char *);

drivers/target/iscsi/iscsi_target_nodeattrib.h

 #ifndef ISCSI_TARGET_NODEATTRIB_H
 #define ISCSI_TARGET_NODEATTRIB_H
 
+#include <linux/types.h>
+
+struct iscsi_node_acl;
+struct iscsi_portal_group;
+
 extern void iscsit_set_default_node_attribues(struct iscsi_node_acl *,
 					      struct iscsi_portal_group *);
 extern int iscsit_na_dataout_timeout(struct iscsi_node_acl *, u32);

drivers/target/iscsi/iscsi_target_parameters.c

@@ -17,7 +17,7 @@
  ******************************************************************************/
 
 #include <linux/slab.h>
-
+#include <linux/uio.h> /* struct kvec */
 #include <target/iscsi/iscsi_target_core.h>
 #include "iscsi_target_util.h"
 #include "iscsi_target_parameters.h"

drivers/target/iscsi/iscsi_target_parameters.h

 #ifndef ISCSI_PARAMETERS_H
 #define ISCSI_PARAMETERS_H
 
+#include <linux/types.h>
 #include <scsi/iscsi_proto.h>
 
 struct iscsi_extra_response {
@@ -23,6 +24,11 @@ struct iscsi_param {
 	struct list_head p_list;
 } ____cacheline_aligned;
 
+struct iscsi_conn;
+struct iscsi_conn_ops;
+struct iscsi_param_list;
+struct iscsi_sess_ops;
+
 extern int iscsi_login_rx_data(struct iscsi_conn *, char *, int);
 extern int iscsi_login_tx_data(struct iscsi_conn *, char *, char *, int);
 extern void iscsi_dump_conn_ops(struct iscsi_conn_ops *);

drivers/target/iscsi/iscsi_target_seq_pdu_list.h

 #ifndef ISCSI_SEQ_AND_PDU_LIST_H
 #define ISCSI_SEQ_AND_PDU_LIST_H
 
+#include <linux/types.h>
+#include <linux/cache.h>
+
 /* struct iscsi_pdu->status */
 #define DATAOUT_PDU_SENT			1
 
@@ -78,6 +81,8 @@ struct iscsi_seq {
 	u32		xfer_len;
 } ____cacheline_aligned;
 
+struct iscsi_cmd;
+
 extern int iscsit_build_pdu_and_seq_lists(struct iscsi_cmd *, u32);
 extern struct iscsi_pdu *iscsit_get_pdu_holder(struct iscsi_cmd *, u32, u32);
 extern struct iscsi_pdu *iscsit_get_pdu_holder_for_seq(struct iscsi_cmd *, struct iscsi_seq *);

drivers/target/iscsi/iscsi_target_tmr.h

 #ifndef ISCSI_TARGET_TMR_H
 #define ISCSI_TARGET_TMR_H
 
+#include <linux/types.h>
+
+struct iscsi_cmd;
+struct iscsi_conn;
+struct iscsi_tmr_req;
+
 extern u8 iscsit_tmr_abort_task(struct iscsi_cmd *, unsigned char *);
 extern int iscsit_tmr_task_warm_reset(struct iscsi_conn *, struct iscsi_tmr_req *,
 			unsigned char *);

drivers/target/iscsi/iscsi_target_tpg.c

@@ -16,9 +16,9 @@
  * GNU General Public License for more details.
  ******************************************************************************/
 
+#include <linux/slab.h>
 #include <target/target_core_base.h>
 #include <target/target_core_fabric.h>
-
 #include <target/iscsi/iscsi_target_core.h>
 #include "iscsi_target_erl0.h"
 #include "iscsi_target_login.h"
@@ -260,7 +260,6 @@ int iscsit_tpg_add_portal_group(struct iscsi_tiqn *tiqn, struct iscsi_portal_gro
 		iscsi_release_param_list(tpg->param_list);
 		tpg->param_list = NULL;
 	}
-	kfree(tpg);
 	return -ENOMEM;
 }
 

drivers/target/iscsi/iscsi_target_tpg.h

 #ifndef ISCSI_TARGET_TPG_H
 #define ISCSI_TARGET_TPG_H
 
+#include <linux/types.h>
+
+struct iscsi_np;
+struct iscsi_session;
+struct iscsi_tiqn;
+struct iscsi_tpg_np;
+struct se_node_acl;
+struct sockaddr_storage;
+
 extern struct iscsi_portal_group *iscsit_alloc_portal_group(struct iscsi_tiqn *, u16);
 extern int iscsit_load_discovery_tpg(void);
 extern void iscsit_release_discovery_tpg(void);

drivers/target/iscsi/iscsi_target_transport.c

 #include <linux/spinlock.h>
 #include <linux/list.h>
+#include <linux/module.h>
 #include <target/iscsi/iscsi_transport.h>
 
 static LIST_HEAD(g_transport_list);

drivers/target/iscsi/iscsi_target_util.c

@@ -18,6 +18,7 @@
 
 #include <linux/list.h>
 #include <linux/percpu_ida.h>
+#include <net/ipv6.h>         /* ipv6_addr_equal() */
 #include <scsi/scsi_tcq.h>
 #include <scsi/iscsi_proto.h>
 #include <target/target_core_base.h>

drivers/target/iscsi/iscsi_target_util.h

 #ifndef ISCSI_TARGET_UTIL_H
 #define ISCSI_TARGET_UTIL_H
 
+#include <linux/types.h>
+#include <scsi/iscsi_proto.h>        /* itt_t */
+
 #define MARKER_SIZE	8
 
+struct iscsi_cmd;
+struct iscsi_conn;
+struct iscsi_conn_recovery;
+struct iscsi_session;
+
 extern int iscsit_add_r2t_to_list(struct iscsi_cmd *, u32, u32, int, u32);
 extern struct iscsi_r2t *iscsit_get_r2t_for_eos(struct iscsi_cmd *, u32, u32);
 extern struct iscsi_r2t *iscsit_get_r2t_from_list(struct iscsi_cmd *);

drivers/target/loopback/tcm_loop.h

+#include <linux/types.h>
+#include <linux/device.h>
+#include <target/target_core_base.h> /* struct se_cmd */
+
 #define TCM_LOOP_VERSION		"v2.1-rc2"
 #define TL_WWN_ADDR_LEN			256
 #define TL_TPGS_PER_HBA			32

drivers/target/sbp/sbp_target.c

@@ -28,6 +28,7 @@
 #include <linux/string.h>
 #include <linux/configfs.h>
 #include <linux/ctype.h>
+#include <linux/delay.h>
 #include <linux/firewire.h>
 #include <linux/firewire-constants.h>
 #include <scsi/scsi_proto.h>
@@ -928,7 +929,7 @@ static struct sbp_target_request *sbp_mgt_get_req(struct sbp_session *sess,
 	struct sbp_target_request *req;
 	int tag;
 
-	tag = percpu_ida_alloc(&se_sess->sess_tag_pool, GFP_ATOMIC);
+	tag = percpu_ida_alloc(&se_sess->sess_tag_pool, TASK_RUNNING);
 	if (tag < 0)
 		return ERR_PTR(-ENOMEM);
 

drivers/target/target_core_alua.c

@@ -26,8 +26,11 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/configfs.h>
+#include <linux/delay.h>
 #include <linux/export.h>
+#include <linux/fcntl.h>
 #include <linux/file.h>
+#include <linux/fs.h>
 #include <scsi/scsi_proto.h>
 #include <asm/unaligned.h>
 

drivers/target/target_core_alua.h

 #ifndef TARGET_CORE_ALUA_H
 #define TARGET_CORE_ALUA_H
 
+#include <target/target_core_base.h>
+
 /*
  * INQUIRY response data, TPGS Field
  *

drivers/target/target_core_configfs.c

@@ -144,12 +144,12 @@ static ssize_t target_core_item_dbroot_store(struct config_item *item,
 		return -EINVAL;
 	}
 	if (!S_ISDIR(file_inode(fp)->i_mode)) {
-		filp_close(fp, 0);
+		filp_close(fp, NULL);
 		mutex_unlock(&g_tf_lock);
 		pr_err("db_root: not a directory: %s\n", db_root_stage);
 		return -EINVAL;
 	}
-	filp_close(fp, 0);
+	filp_close(fp, NULL);
 
 	strncpy(db_root, db_root_stage, read_bytes);
 

drivers/target/target_core_device.c

@@ -33,6 +33,7 @@
 #include <linux/kthread.h>
 #include <linux/in.h>
 #include <linux/export.h>
+#include <linux/t10-pi.h>
 #include <asm/unaligned.h>
 #include <net/sock.h>
 #include <net/tcp.h>

drivers/target/target_core_file.c

@@ -32,6 +32,7 @@
 #include <linux/module.h>
 #include <linux/vmalloc.h>
 #include <linux/falloc.h>
+#include <linux/uio.h>
 #include <scsi/scsi_proto.h>
 #include <asm/unaligned.h>
 

drivers/target/target_core_file.h

 #ifndef TARGET_CORE_FILE_H
 #define TARGET_CORE_FILE_H
 
+#include <target/target_core_base.h>
+
 #define FD_VERSION		"4.0"
 
 #define FD_MAX_DEV_NAME		256

drivers/target/target_core_iblock.h

 #ifndef TARGET_CORE_IBLOCK_H
 #define TARGET_CORE_IBLOCK_H
 
+#include <linux/atomic.h>
+#include <target/target_core_base.h>
+
 #define IBLOCK_VERSION		"4.0"
 
 #define IBLOCK_MAX_CDBS		16