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iscsi-target: use common inet_addr_is_any 

Instead of open-coding it.

Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Cc: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
Cc: target-devel@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Sagi Grimberg 2018-01-25 13:56:46 +02:00 committed by Jens Axboe
parent 4c65268588
commit 7bfca0cfe6
1 changed files with 2 additions and 26 deletions
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28
drivers/target/iscsi/iscsi_target.c
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@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/sched/signal.h>
#include <asm/unaligned.h>
#include <linux/inet.h>
#include <net/ipv6.h>
#include <scsi/scsi_proto.h>
#include <scsi/iscsi_proto.h>
@ -3291,30 +3292,6 @@ iscsit_send_task_mgt_rsp(struct iscsi_cmd *cmd, struct iscsi_conn *conn)
return conn->conn_transport->iscsit_xmit_pdu(conn, cmd, NULL, NULL, 0);
}
static bool iscsit_check_inaddr_any(struct iscsi_np *np)
{
bool ret = false;
if (np->np_sockaddr.ss_family == AF_INET6) {
const struct sockaddr_in6 sin6 = {
.sin6_addr = IN6ADDR_ANY_INIT };
struct sockaddr_in6 *sock_in6 =
(struct sockaddr_in6 *)&np->np_sockaddr;
if (!memcmp(sock_in6->sin6_addr.s6_addr,
sin6.sin6_addr.s6_addr, 16))
ret = true;
} else {
struct sockaddr_in * sock_in =
(struct sockaddr_in *)&np->np_sockaddr;
if (sock_in->sin_addr.s_addr == htonl(INADDR_ANY))
ret = true;
}
return ret;
}
#define SENDTARGETS_BUF_LIMIT 32768U
static int
@ -3393,7 +3370,6 @@ iscsit_build_sendtargets_response(struct iscsi_cmd *cmd,
list_for_each_entry(tpg_np, &tpg->tpg_gnp_list,
tpg_np_list) {
struct iscsi_np *np = tpg_np->tpg_np;
bool inaddr_any = iscsit_check_inaddr_any(np);
struct sockaddr_storage *sockaddr;
if (np->np_network_transport != network_transport)
@ -3422,7 +3398,7 @@ iscsit_build_sendtargets_response(struct iscsi_cmd *cmd,
}
}
if (inaddr_any)
if (inet_addr_is_any((struct sockaddr *)&np->np_sockaddr))
sockaddr = &conn->local_sockaddr;
else
sockaddr = &np->np_sockaddr;