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scsi: iscsi: Fix redundant response for ISCSI_UEVENT_GET_HOST_STATS request

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The ISCSI_UEVENT_GET_HOST_STATS request is already handled in
iscsi_get_host_stats(). This fix ensures that redundant responses are
skipped in iscsi_if_rx().

 - On success: send reply and stats from iscsi_get_host_stats()
   within if_recv_msg().

 - On error: fall through.

Signed-off-by: Xiang Zhang <hawkxiang.cpp@gmail.com>
Link: https://lore.kernel.org/r/20250107022432.65390-1-hawkxiang.cpp@gmail.com
Reviewed-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Zhang 2025-01-07 10:24:31 +08:00 committed by Martin K. Petersen
parent 8604f633f5
commit 63ca02221c
1 changed files with 3 additions and 1 deletions
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4
drivers/scsi/scsi_transport_iscsi.c
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@ -4104,7 +4104,7 @@ iscsi_if_rx(struct sk_buff *skb)
}
do {
/*
* special case for GET_STATS:
* special case for GET_STATS, GET_CHAP and GET_HOST_STATS:
* on success - sending reply and stats from
* inside of if_recv_msg(),
* on error - fall through.
@ -4113,6 +4113,8 @@ iscsi_if_rx(struct sk_buff *skb)
break;
if (ev->type == ISCSI_UEVENT_GET_CHAP && !err)
break;
if (ev->type == ISCSI_UEVENT_GET_HOST_STATS && !err)
break;
err = iscsi_if_send_reply(portid, nlh->nlmsg_type,
ev, sizeof(*ev));
if (err == -EAGAIN && --retries < 0) {