From: Masami Hiramatsu (Google) <[email protected]> Remove unneeded 'mod' struct module pointer field from trace_fprobe because we don't need to save this info.
Signed-off-by: Masami Hiramatsu (Google) <[email protected]> --- kernel/trace/trace_fprobe.c | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/kernel/trace/trace_fprobe.c b/kernel/trace/trace_fprobe.c index 5d7ca80173ea..08def94f9ca6 100644 --- a/kernel/trace/trace_fprobe.c +++ b/kernel/trace/trace_fprobe.c @@ -46,7 +46,6 @@ struct trace_fprobe { struct fprobe fp; const char *symbol; struct tracepoint *tpoint; - struct module *mod; struct trace_probe tp; }; @@ -426,7 +425,6 @@ static struct trace_fprobe *alloc_trace_fprobe(const char *group, const char *event, const char *symbol, struct tracepoint *tpoint, - struct module *mod, int nargs, bool is_return) { struct trace_fprobe *tf __free(free_trace_fprobe) = NULL; @@ -446,7 +444,6 @@ static struct trace_fprobe *alloc_trace_fprobe(const char *group, tf->fp.entry_handler = fentry_dispatcher; tf->tpoint = tpoint; - tf->mod = mod; ret = trace_probe_init(&tf->tp, event, group, false, nargs); if (ret < 0) @@ -776,7 +773,6 @@ static void __unregister_trace_fprobe(struct trace_fprobe *tf) tracepoint_probe_unregister(tf->tpoint, tf->tpoint->probestub, NULL); tf->tpoint = NULL; - tf->mod = NULL; } } } @@ -992,7 +988,6 @@ static int __tracepoint_probe_module_cb(struct notifier_block *self, tpoint = find_tracepoint_in_module(tp_mod->mod, tf->symbol); if (tpoint) { tf->tpoint = tpoint; - tf->mod = tp_mod->mod; if (!WARN_ON_ONCE(__regsiter_tracepoint_fprobe(tf)) && trace_probe_is_enabled(&tf->tp)) reenable_trace_fprobe(tf); @@ -1003,7 +998,6 @@ static int __tracepoint_probe_module_cb(struct notifier_block *self, tracepoint_probe_unregister(tf->tpoint, tf->tpoint->probestub, NULL); tf->tpoint = TRACEPOINT_STUB; - tf->mod = NULL; } } } @@ -1210,8 +1204,7 @@ static int trace_fprobe_create_internal(int argc, const char *argv[], return ret; /* setup a probe */ - tf = alloc_trace_fprobe(group, event, symbol, tpoint, tp_mod, - argc, is_return); + tf = alloc_trace_fprobe(group, event, symbol, tpoint, argc, is_return); if (IS_ERR(tf)) { ret = PTR_ERR(tf); /* This must return -ENOMEM, else there is a bug */
