From: Peilin Ye <peilin.ye@bytedance.com>
Date: Wed, 25 May 2022 02:52:36 +0000 (-0700)
Subject: ss: Delete unnecessary call to snprintf() in user_ent_hash_build()
X-Git-Tag: v6.0.0~42^2~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea3b57ec3991a576a6aa7276979db518fd5488ce;p=thirdparty%2Fiproute2.git

ss: Delete unnecessary call to snprintf() in user_ent_hash_build()

'name' is already $PROC_ROOT/$PID/fd/$FD there, no need to rebuild the
string.

Signed-off-by: Peilin Ye <peilin.ye@bytedance.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
---

diff --git a/misc/ss.c b/misc/ss.c
index f077bed70..790e511d5 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -652,10 +652,7 @@ static void user_ent_hash_build(void)
 
 			sscanf(lnk, "socket:[%u]", &ino);
 
-			snprintf(tmp, sizeof(tmp), "%s/%d/fd/%s",
-					root, pid, d1->d_name);
-
-			if (getfilecon(tmp, &sock_context) <= 0)
+			if (getfilecon(name, &sock_context) <= 0)
 				sock_context = strdup(no_ctx);
 
 			if (process[0] == '\0') {