git: 8375db082c6b - stable/14 - tcp hpts: improve consistency
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Date: Wed, 17 Apr 2024 13:52:02 UTC
The branch stable/14 has been updated by tuexen: URL: https://cgit.FreeBSD.org/src/commit/?id=8375db082c6b486b05cd8072979d113512341fab commit 8375db082c6b486b05cd8072979d113512341fab Author: Michael Tuexen <tuexen@FreeBSD.org> AuthorDate: 2024-04-01 19:51:59 +0000 Commit: Michael Tuexen <tuexen@FreeBSD.org> CommitDate: 2024-04-17 13:51:43 +0000 tcp hpts: improve consistency The target_slot argument of max_slots_available() can be NULL. Therefore, check for this in all places. Right now, all callers provide non-NULL pointer. Reported by: Coverity Scan CID: 1527732 Reviewed by: rrs Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D44527 (cherry picked from commit b600644fdd6cefb1b90d76fdd5aa595946611a7d) --- sys/netinet/tcp_hpts.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/netinet/tcp_hpts.c b/sys/netinet/tcp_hpts.c index 9d192b17c41a..89b9611e643f 100644 --- a/sys/netinet/tcp_hpts.c +++ b/sys/netinet/tcp_hpts.c @@ -758,7 +758,8 @@ max_slots_available(struct tcp_hpts_entry *hpts, uint32_t wheel_slot, uint32_t * * "0". */ counter_u64_add(combined_wheel_wrap, 1); - *target_slot = hpts->p_nxt_slot; + if (target_slot) + *target_slot = hpts->p_nxt_slot; return (0); } else { /*