From 59492c96503d37cdf47a5c806fdd1038d8a81c72 Mon Sep 17 00:00:00 2001
From: Aristarkh Zagorodnikov <xm@x-infinity.com>
Date: Fri, 1 Nov 2024 09:35:57 +0000
Subject: [PATCH] Try to fix "Use of uninitialized value $sdev in right
 bitshift" potentially encountered because of missing map

---
 needrestart | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/needrestart b/needrestart
index cad58c37..80cbe7b0 100755
--- a/needrestart
+++ b/needrestart
@@ -573,6 +573,12 @@ if(defined($opt_l)) {
 
 			# get on-disk info
 			my ($sdev, $sinode) = stat($testp);
+			unless($sdev) {
+			    unless($nrconf{skip_mapfiles} == -1) {
+				print STDERR "$LOGPREF #$pid map stat for $testp failed: $!\n" if($nrconf{verbosity} > 1);
+			    }
+                next;
+            }
 			my @sdevs = (
 			    # glibc gnu_dev_* definition from sysmacros.h
 			    sprintf("%02x:%02x", (($sdev >> 8) & 0xfff) | (($sdev >> 32) & ~0xfff), (($sdev & 0xff) | (($sdev >> 12) & ~0xff))),