build: fix ignored errors (#25591)

build/ci.go

@@ -982,7 +982,10 @@ func doWindowsInstaller(cmdline []string) {
 	if env.Commit != "" {
 		version[2] += "-" + env.Commit[:8]
 	}
-	installer, _ := filepath.Abs("geth-" + archiveBasename(*arch, params.ArchiveVersion(env.Commit)) + ".exe")
+	installer, err := filepath.Abs("geth-" + archiveBasename(*arch, params.ArchiveVersion(env.Commit)) + ".exe")
+	if err != nil {
+		log.Fatalf("Failed to convert installer file path: %v", err)
+	}
 	build.MustRunCommand("makensis.exe",
 		"/DOUTPUTFILE="+installer,
 		"/DMAJORVERSION="+version[0],

build/update-license.go

@@ -342,7 +342,10 @@ func isGenerated(file string) bool {
 	}
 	defer fd.Close()
 	buf := make([]byte, 2048)
-	n, _ := fd.Read(buf)
+	n, err := fd.Read(buf)
+	if err != nil {
+		return false
+	}
 	buf = buf[:n]
 	for _, l := range bytes.Split(buf, []byte("\n")) {
 		if bytes.HasPrefix(l, []byte("// Code generated")) {