From f6f505c4d62deef41ef2b130f465b3eb12b9a795 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= <nabijaczleweli@nabijaczleweli.xyz>
Date: Mon, 4 Apr 2022 12:48:47 +0200
Subject: [PATCH] scripts: zfs.sh: remove cat
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Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13274
---
 scripts/zfs.sh | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/scripts/zfs.sh b/scripts/zfs.sh
index 5689d2576..fe3477752 100755
--- a/scripts/zfs.sh
+++ b/scripts/zfs.sh
@@ -75,7 +75,7 @@ done
 
 kill_zed() {
 	if [ -f "$ZED_PIDFILE" ]; then
-		PID=$(cat "$ZED_PIDFILE")
+		read -r PID <"$ZED_PIDFILE"
 		kill "$PID"
 	fi
 }
@@ -234,8 +234,7 @@ stack_check_linux() {
 	STACK_LIMIT=15362
 
 	if [ -e "$STACK_MAX_SIZE" ]; then
-		STACK_SIZE=$(cat "$STACK_MAX_SIZE")
-
+		read -r STACK_SIZE <"$STACK_MAX_SIZE"
 		if [ "$STACK_SIZE" -ge "$STACK_LIMIT" ]; then
 			echo
 			echo "Warning: max stack size $STACK_SIZE bytes"