[PATCH 1/4] kcsan, debugfs: Remove redundant call of kallsyms_lookup_name()
From: ran xiaokai
Date: Wed Sep 25 2024 - 10:59:27 EST
From: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
There is no need to repeatedly call kallsyms_lookup_name, we can
reuse the return value of this function.
Signed-off-by: Ran Xiaokai <ran.xiaokai@xxxxxxxxxx>
---
kernel/kcsan/debugfs.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/kcsan/debugfs.c b/kernel/kcsan/debugfs.c
index 53b21ae30e00..ed483987869e 100644
--- a/kernel/kcsan/debugfs.c
+++ b/kernel/kcsan/debugfs.c
@@ -181,8 +181,7 @@ static ssize_t insert_report_filterlist(const char *func)
}
/* Note: deduplicating should be done in userspace. */
- report_filterlist.addrs[report_filterlist.used++] =
- kallsyms_lookup_name(func);
+ report_filterlist.addrs[report_filterlist.used++] = addr;
report_filterlist.sorted = false;
out:
--
2.15.2