Date: Wed, 1 Jul 2020 22:00:35 +0000 (UTC) From: Michael Tuexen <tuexen@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r362877 - stable/12/sys/netinet Message-ID: <202007012200.061M0ZE9033361@repo.freebsd.org>
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Author: tuexen Date: Wed Jul 1 22:00:35 2020 New Revision: 362877 URL: https://svnweb.freebsd.org/changeset/base/362877 Log: MFC r356660: Fix division by zero issue. Thanks to Stas Denisov for reporting the issue for the userland stack and providing a fix. Modified: stable/12/sys/netinet/sctp_cc_functions.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netinet/sctp_cc_functions.c ============================================================================== --- stable/12/sys/netinet/sctp_cc_functions.c Wed Jul 1 21:59:18 2020 (r362876) +++ stable/12/sys/netinet/sctp_cc_functions.c Wed Jul 1 22:00:35 2020 (r362877) @@ -1876,7 +1876,7 @@ htcp_cong_time(struct htcp *ca) static inline uint32_t htcp_ccount(struct htcp *ca) { - return (htcp_cong_time(ca) / ca->minRTT); + return (ca->minRTT == 0 ? htcp_cong_time(ca) : htcp_cong_time(ca) / ca->minRTT); } static inline void
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