Date: Tue, 8 Feb 2022 16:16:17 GMT From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: cbc3c3f0d79f - stable/13 - dt_unring_buf: set dtbd_oldest to the start of the first record Message-ID: <202202081616.218GGHnL001896@gitrepo.freebsd.org>
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The branch stable/13 has been updated by avg: URL: https://cgit.FreeBSD.org/src/commit/?id=cbc3c3f0d79fcd067111823996160fb7b6afce60 commit cbc3c3f0d79fcd067111823996160fb7b6afce60 Author: Andriy Gapon <avg@FreeBSD.org> AuthorDate: 2022-01-11 13:44:04 +0000 Commit: Andriy Gapon <avg@FreeBSD.org> CommitDate: 2022-02-08 16:15:59 +0000 dt_unring_buf: set dtbd_oldest to the start of the first record It was set to the start of the buffer and that can be different from the start of teh first record because of a misalignment. This change follows the example of dt_realloc_buf(). (cherry picked from commit 256c8c5df2a4bdd43afd9ec5a2f8be9374284e1e) --- cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c index 811c88bbf0ad..862d4b9222d7 100644 --- a/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c +++ b/cddl/contrib/opensolaris/lib/libdtrace/common/dt_consume.c @@ -2621,7 +2621,7 @@ dt_unring_buf(dtrace_hdl_t *dtp, dtrace_bufdesc_t *buf) bcopy(buf->dtbd_data, ndp, buf->dtbd_oldest); dt_free(dtp, buf->dtbd_data); - buf->dtbd_oldest = 0; + buf->dtbd_oldest = misalign; buf->dtbd_data = newdata; buf->dtbd_size += misalign;
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