Use krealloc_array() when growing tr->topts instead of open-coding the
size calculation in krealloc().

This makes the resize path use the helper intended for array allocations
and avoids manual multiplication of the element count and element size.

Signed-off-by: Yu Peng <pengyu@kylinos.cn>
---
 kernel/trace/trace.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 6eb4d3097a4d5..bde22d693d2e4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -7928,8 +7928,8 @@ create_trace_option_files(struct trace_array *tr, struct tracer *tracer,
 	if (!topts)
 		return 0;
 
-	tr_topts = krealloc(tr->topts, sizeof(*tr->topts) * (tr->nr_topts + 1),
-			    GFP_KERNEL);
+	tr_topts = krealloc_array(tr->topts, tr->nr_topts + 1, sizeof(*tr->topts),
+				  GFP_KERNEL);
 	if (!tr_topts) {
 		kfree(topts);
 		return -ENOMEM;
-- 
2.43.0