fail if port is not accessible (#10616)

throw proper error when port is not accessible
for the regular user, this is possibly a regression.

```
ERROR Unable to start the server: Insufficient permissions to use specified port
   > Please ensure MinIO binary has 'cap_net_bind_service=+ep' permissions
   HINT:
     Use 'sudo setcap cap_net_bind_service=+ep /path/to/minio' to provide sufficient permissions
```

cmd/config/errors-utils.go

@@ -19,7 +19,6 @@ package config
 import (
 	"errors"
 	"fmt"
-	"io"
 	"net"
 	"syscall"
 
@@ -111,18 +110,16 @@ func ErrorToErr(err error) Err {
 		case *net.OpError:
 			return ErrPortAccess(err).Msg("Insufficient permissions to use specified port")
 		}
-		return ErrNoPermissionsToAccessDirFiles(err).Msg("Insufficient permissions to access path")
+	}
-	} else if errors.Is(err, io.ErrUnexpectedEOF) {
+
-		return ErrUnexpectedDataContent(err)
-	} else {
 	// Failed to identify what type of error this, return a simple UI error
 	return Err{msg: err.Error()}
 }
-}
 
 // FmtError converts a fatal error message to a more clear error
 // using some colors
 func FmtError(introMsg string, err error, jsonFlag bool) string {
+
 	renderedTxt := ""
 	uiErr := ErrorToErr(err)
 	// JSON print

cmd/config/errors.go

@@ -205,12 +205,6 @@ Example 1:
 		`Use 'sudo setcap cap_net_bind_service=+ep /path/to/minio' to provide sufficient permissions`,
 	)
 
-	ErrNoPermissionsToAccessDirFiles = newErrFn(
-		"Missing permissions to access the specified path",
-		"Please ensure the specified path can be accessed",
-		"",
-	)
-
 	ErrSSLUnexpectedError = newErrFn(
 		"Invalid TLS certificate",
 		"Please check the content of your certificate data",
@@ -247,12 +241,6 @@ Example 1:
 		"",
 	)
 
-	ErrUnexpectedDataContent = newErrFn(
-		"Unexpected data content",
-		"Please contact MinIO at https://slack.min.io",
-		"",
-	)
-
 	ErrUnexpectedError = newErrFn(
 		"Unexpected error",
 		"Please contact MinIO at https://slack.min.io",

cmd/net.go

@@ -23,7 +23,6 @@ import (
 	"net/url"
 	"sort"
 	"strings"
-	"syscall"
 
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio/cmd/config"
@@ -199,9 +198,7 @@ func checkPortAvailability(host, port string) (err error) {
 			if err = l.Close(); err != nil {
 				return err
 			}
-		} else if errors.Is(err, syscall.EADDRINUSE) {
+		} else {
-			// As we got EADDRINUSE error, the port is in use by other process.
-			// Return the error.
 			return err
 		}
 	}