X-Git-Url: https://git.jankratochvil.net/?a=blobdiff_plain;f=bin%2Fkernel%2Fdiffkernel;h=bc35b99d21067488adaa41cdff09b1eb6e56fd44;hb=f1fd1da97405a124a824d3808d6bc59df1b16b9b;hp=c1fa61b835ef108239ee05d6af01262fb5b57a8c;hpb=64092e051a03693a04318113074ef264e1917e00;p=nethome.git

diff --git a/bin/kernel/diffkernel b/bin/kernel/diffkernel
index c1fa61b..bc35b99 100755
--- a/bin/kernel/diffkernel
+++ b/bin/kernel/diffkernel
@@ -24,4 +24,7 @@ while (<DIFF>) {
 	next if /^Only in /;
 	print;
 	}
-close DIFF or die "Cannot close the 'diff' output: $!";
+# It is valid for diff(1) to return its exit code 1.
+if (close DIFF && $?!=256) {
+	die "Cannot close the 'diff' output (status=$?): $!";
+	}