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socket: check if expcmdsn is not greater than pdus cmdsn

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this is just another sanity check.

Signed-off-by: Peter Lieven <pl@kamp.de>
This commit is contained in:
Peter Lieven
2015-03-26 12:27:48 +01:00
parent 21cb9a9014
commit 33c301335b
1 changed files with 5 additions and 0 deletions
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lib/socket.c
+5
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@@ -640,6 +640,11 @@ iscsi_write_to_socket(struct iscsi_context *iscsi)
return 0; return 0;
} }
/* pop first element of the outqueue */ /* pop first element of the outqueue */
if (iscsi_serial32_compare(iscsi->outqueue->cmdsn, iscsi->expcmdsn) < 0) {
iscsi_set_error(iscsi, "iscsi_write_to_scoket: outqueue[0]->cmdsn < expcmdsn (%08x < %08x)",
iscsi->outqueue->cmdsn, iscsi->expcmdsn);
return -1;
}
iscsi->outqueue_current = iscsi->outqueue; iscsi->outqueue_current = iscsi->outqueue;
ISCSI_LIST_REMOVE(&iscsi->outqueue, iscsi->outqueue_current); ISCSI_LIST_REMOVE(&iscsi->outqueue, iscsi->outqueue_current);
if (!(iscsi->outqueue_current->flags & ISCSI_PDU_DELETE_WHEN_SENT)) { if (!(iscsi->outqueue_current->flags & ISCSI_PDU_DELETE_WHEN_SENT)) {