[DTrace-devel] [PATCH 21/38] Add some comments

[eugene.loh at oracle.com]

From: Eugene Loh <eugene.loh at oracle.com>

Signed-off-by: Eugene Loh <eugene.loh at oracle.com>
---
 libdtrace/dt_prov_uprobe.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libdtrace/dt_prov_uprobe.c b/libdtrace/dt_prov_uprobe.c
index 5dbd75e3..5f0c56db 100644
--- a/libdtrace/dt_prov_uprobe.c
+++ b/libdtrace/dt_prov_uprobe.c
@@ -295,6 +295,7 @@ static int provide_probe(dtrace_hdl_t *dtp, const pid_probespec_t *psp,
 	/* Mark the provider as a PID-based provider. */
 	pvp->pv_flags |= DT_PROVIDER_PID;
 
+	/* Look up or create the underlying probe. */
 	uprp = create_underlying(dtp, psp);
 	if (uprp == NULL)
 		return -1;
@@ -302,6 +303,7 @@ static int provide_probe(dtrace_hdl_t *dtp, const pid_probespec_t *psp,
 	upp = uprp->prv_data;
 	upp->flags |= flags;
 
+	/* Look up the overlying probe. */
 	prp = dt_probe_lookup(dtp, &pd);
 	if (prp != NULL) {
 		/*
-- 
2.18.4