From 7b11e7e3388c87d2ebd52d55f552d673773309f6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Rod=C3=A1k?= <hony.com@seznam.cz>
Date: Mon, 1 Jul 2024 15:00:04 +0200
Subject: [PATCH] Fix errcheck: error return value of `cmd.Cmd.Process.Signal`
 is not checked
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Signed-off-by: Jan Rodák <hony.com@seznam.cz>
---
 pkg/unshare/unshare_linux.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pkg/unshare/unshare_linux.go b/pkg/unshare/unshare_linux.go
index 58adbfb8a..32e8d7dca 100644
--- a/pkg/unshare/unshare_linux.go
+++ b/pkg/unshare/unshare_linux.go
@@ -590,7 +590,12 @@ func MaybeReexecUsingUserNamespace(evenForRoot bool) {
 	cmd.Hook = func(int) error {
 		go func() {
 			for receivedSignal := range interrupted {
-				cmd.Cmd.Process.Signal(receivedSignal)
+				if err := cmd.Cmd.Process.Signal(receivedSignal); err != nil {
+					logrus.Warnf(
+						"Failed to send a signal '%d' to the Process (PID: %d): %v",
+						receivedSignal, cmd.Cmd.Process.Pid, err,
+					)
+				}
 			}
 		}()
 		return nil