summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_irqsoff.c
diff options
context:
space:
mode:
authorJiri Kosina <jkosina@suse.com>2025-12-02 14:46:11 +0100
committerJiri Kosina <jkosina@suse.com>2025-12-02 14:46:11 +0100
commit7362b5b493102c6b71827c2da22117b475528f6d (patch)
tree62888e5fb3459077d2874c61bc8b378d7bf5c7da /kernel/trace/trace_irqsoff.c
parenteb41c955b05ea015275b3188b27b3960a95ae149 (diff)
parent06416555c883e3ffabcc62ad39617c23d6b2f012 (diff)
Merge branch 'for-6.19/nintendo' into for-linus
- switch to WQ_PERCPU workaueues (Marco Crivellari) - reduce potential initialization blocking time of hid-nintendo (Willy Huang)
Diffstat (limited to 'kernel/trace/trace_irqsoff.c')
-rw-r--r--kernel/trace/trace_irqsoff.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
index 5496758b6c76..4c45c49b06c8 100644
--- a/kernel/trace/trace_irqsoff.c
+++ b/kernel/trace/trace_irqsoff.c
@@ -184,7 +184,7 @@ static int irqsoff_graph_entry(struct ftrace_graph_ent *trace,
unsigned long flags;
unsigned int trace_ctx;
u64 *calltime;
- int ret;
+ int ret = 0;
if (ftrace_graph_ignore_func(gops, trace))
return 0;
@@ -202,13 +202,11 @@ static int irqsoff_graph_entry(struct ftrace_graph_ent *trace,
return 0;
calltime = fgraph_reserve_data(gops->idx, sizeof(*calltime));
- if (!calltime)
- return 0;
-
- *calltime = trace_clock_local();
-
- trace_ctx = tracing_gen_ctx_flags(flags);
- ret = __trace_graph_entry(tr, trace, trace_ctx);
+ if (calltime) {
+ *calltime = trace_clock_local();
+ trace_ctx = tracing_gen_ctx_flags(flags);
+ ret = __trace_graph_entry(tr, trace, trace_ctx);
+ }
local_dec(&data->disabled);
return ret;
@@ -233,11 +231,10 @@ static void irqsoff_graph_return(struct ftrace_graph_ret *trace,
rettime = trace_clock_local();
calltime = fgraph_retrieve_data(gops->idx, &size);
- if (!calltime)
- return;
-
- trace_ctx = tracing_gen_ctx_flags(flags);
- __trace_graph_return(tr, trace, trace_ctx, *calltime, rettime);
+ if (calltime) {
+ trace_ctx = tracing_gen_ctx_flags(flags);
+ __trace_graph_return(tr, trace, trace_ctx, *calltime, rettime);
+ }
local_dec(&data->disabled);
}