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fs: dlm: fix check for multi-homed hosts

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This patch will use the runtime array size dlm_local_count variable
to check the actual size of the dlm_local_addr array. There exists
currently a cleanup bug, because the tcp_listen_for_all() functionality
might check on a dangled pointer.

Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
Alexander Aring
2020-11-02 20:04:26 -05:00
committed by David Teigland
parent d11ccd451b
commit 1a26bfafbc
1 changed files with 1 additions and 1 deletions
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fs/dlm/lowcomms.c
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@@ -1288,7 +1288,7 @@ static int sctp_listen_for_all(struct listen_connection *con)
static int tcp_listen_for_all(void)
{
/* We don't support multi-homed hosts */
if (dlm_local_addr[1] != NULL) {
if (dlm_local_count > 1) {
log_print("TCP protocol can't handle multi-homed hosts, "
"try SCTP");
return -EINVAL;