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Patch-Source: https://src.fedoraproject.org/rpms/dnsmasq/blob/f36/f/0001-Retry-on-interrupted-error-in-tftp.patch (backport from upstream)
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From f5f56c001dddd486859dc6301e6cbe00ba604fe8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Men=C5=A1=C3=ADk?= <pemensik@redhat.com>
Date: Wed, 18 Aug 2021 10:09:35 +0200
Subject: [PATCH 01/15] Retry on interrupted error in tftp
Interrupt might arrive when sending error reply. Retry if possible.
Wrong Check of Return Value
diff --git a/src/tftp.c b/src/tftp.c
index 37bdff2..3d87523 100644
--- a/src/tftp.c
+++ b/src/tftp.c
@@ -600,7 +600,7 @@ void check_tftp_listeners(time_t now)
/* Wrong source address. See rfc1350 para 4. */
prettyprint_addr(&peer, daemon->addrbuff);
len = tftp_err(ERR_TID, daemon->packet, _("ignoring packet from %s (TID mismatch)"), daemon->addrbuff);
- sendto(transfer->sockfd, daemon->packet, len, 0, &peer.sa, sa_len(&peer));
+ while(retry_send(sendto(transfer->sockfd, daemon->packet, len, 0, &peer.sa, sa_len(&peer))));
}
}
}
--
2.31.1
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