Update dependencies. (#13778)

vendor/github.com/prometheus/procfs/proc.go

@@ -22,6 +22,7 @@ import (
 	"strings"
 
 	"github.com/prometheus/procfs/internal/fs"
+	"github.com/prometheus/procfs/internal/util"
 )
 
 // Proc provides information about a running process.
@@ -121,13 +122,7 @@ func (fs FS) AllProcs() (Procs, error) {
 
 // CmdLine returns the command line of a process.
 func (p Proc) CmdLine() ([]string, error) {
-	f, err := os.Open(p.path("cmdline"))
-	if err != nil {
-		return nil, err
-	}
-	defer f.Close()
-
-	data, err := ioutil.ReadAll(f)
+	data, err := util.ReadFileNoStat(p.path("cmdline"))
 	if err != nil {
 		return nil, err
 	}
@@ -141,13 +136,7 @@ func (p Proc) CmdLine() ([]string, error) {
 
 // Comm returns the command name of a process.
 func (p Proc) Comm() (string, error) {
-	f, err := os.Open(p.path("comm"))
-	if err != nil {
-		return "", err
-	}
-	defer f.Close()
-
-	data, err := ioutil.ReadAll(f)
+	data, err := util.ReadFileNoStat(p.path("comm"))
 	if err != nil {
 		return "", err
 	}
@@ -252,13 +241,11 @@ func (p Proc) MountStats() ([]*Mount, error) {
 // It supplies information missing in `/proc/self/mounts` and
 // fixes various other problems with that file too.
 func (p Proc) MountInfo() ([]*MountInfo, error) {
-	f, err := os.Open(p.path("mountinfo"))
+	data, err := util.ReadFileNoStat(p.path("mountinfo"))
 	if err != nil {
 		return nil, err
 	}
-	defer f.Close()
-
-	return parseMountInfo(f)
+	return parseMountInfo(data)
 }
 
 func (p Proc) fileDescriptors() ([]string, error) {