Author: markj
Date: Fri Mar 6 14:56:02 2020
New Revision: 358704
URL: https://svnweb.freebsd.org/changeset/base/358704
Log:
MFC r358433:
Clear systrace_args_func when systrace probes are disabled.
Modified:
stable/12/sys/cddl/dev/systrace/systrace.c
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/cddl/dev/systrace/systrace.c
==============================================================================
--- stable/12/sys/cddl/dev/systrace/systrace.c Fri Mar 6 14:46:50 2020
(r358703)
+++ stable/12/sys/cddl/dev/systrace/systrace.c Fri Mar 6 14:56:02 2020
(r358704)
@@ -298,9 +298,9 @@ systrace_destroy(void *arg, dtrace_id_t id, void *parg
* disabled.
*/
if (SYSTRACE_ISENTRY((uintptr_t)parg)) {
- ASSERT(sysent[sysnum].sy_entry == 0);
+ ASSERT(sysent[sysnum].sy_entry == DTRACE_IDNONE);
} else {
- ASSERT(sysent[sysnum].sy_return == 0);
+ ASSERT(sysent[sysnum].sy_return == DTRACE_IDNONE);
}
#endif
}
@@ -310,8 +310,7 @@ systrace_enable(void *arg, dtrace_id_t id, void *parg)
{
int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);
- if (SYSENT[sysnum].sy_systrace_args_func == NULL)
- SYSENT[sysnum].sy_systrace_args_func = systrace_args;
+ SYSENT[sysnum].sy_systrace_args_func = systrace_args;
if (SYSTRACE_ISENTRY((uintptr_t)parg))
SYSENT[sysnum].sy_entry = id;
@@ -327,8 +326,9 @@ systrace_disable(void *arg, dtrace_id_t id, void *parg
{
int sysnum = SYSTRACE_SYSNUM((uintptr_t)parg);
- SYSENT[sysnum].sy_entry = 0;
- SYSENT[sysnum].sy_return = 0;
+ SYSENT[sysnum].sy_systrace_args_func = NULL;
+ SYSENT[sysnum].sy_entry = DTRACE_IDNONE;
+ SYSENT[sysnum].sy_return = DTRACE_IDNONE;
systrace_enabled_count--;
if (systrace_enabled_count == 0)
systrace_enabled = false;
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