[openwrt/openwrt] dropbear: Name pid file by uci section name

[LEDE Commits]

blogic pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/a2f0cd35ac1d15e69f4897b35c049e175dd06825

commit a2f0cd35ac1d15e69f4897b35c049e175dd06825
Author: Andreas Gnau <andreas.gnau at iopsys.eu>
AuthorDate: Tue Feb 28 16:54:57 2023 +0530

    dropbear: Name pid file by uci section name
    
    Name the pidfile of each dropbear instance according to the
    corresponding uci section name. This enables a 1:1 mapping between the
    definition of the service instance and its process.
    
    Signed-off-by: Andreas Gnau <andreas.gnau at iopsys.eu>
    
    Link: https://github.com/openwrt/openwrt/pull/15177
    Signed-off-by: John Crispin <john at phrozen.org>
---
 package/network/services/dropbear/files/dropbear.init | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/package/network/services/dropbear/files/dropbear.init b/package/network/services/dropbear/files/dropbear.init
index 395237f9bc..11e89340db 100755
--- a/package/network/services/dropbear/files/dropbear.init
+++ b/package/network/services/dropbear/files/dropbear.init
@@ -8,7 +8,6 @@ STOP=50
 USE_PROCD=1
 PROG=/usr/sbin/dropbear
 NAME=dropbear
-PIDCOUNT=0
 
 extra_command "killclients" "Kill ${NAME} processes except servers and yourself"
 
@@ -298,8 +297,7 @@ dropbear_instance()
 		break
 	done
 
-	PIDCOUNT="$(( ${PIDCOUNT} + 1))"
-	local pid_file="/var/run/${NAME}.${PIDCOUNT}.pid"
+	local pid_file="/var/run/${NAME}.${1}.pid"
 
 	procd_open_instance
 	procd_set_param command "$PROG" -F -P "$pid_file"