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-rw-r--r--usr/src/lib/libdtrace/common/dt_consume.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/usr/src/lib/libdtrace/common/dt_consume.c b/usr/src/lib/libdtrace/common/dt_consume.c
index 807d60a79a..6e9187a804 100644
--- a/usr/src/lib/libdtrace/common/dt_consume.c
+++ b/usr/src/lib/libdtrace/common/dt_consume.c
@@ -2599,7 +2599,7 @@ 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;