(battery-linux-proc-acpi): Use ignore-errors around calls to directory-files.

1 files changed, 6 insertions, 4 deletions

diff --git a/lisp/battery.el b/lisp/battery.el
index 1b1b77ec8e3..aec6865dc06 100644
--- a/lisp/battery.el
+++ b/lisp/battery.el
@@ -357,15 +357,17 @@ The following %-sequences are provided:
     (list (cons ?c (or (and capacity (number-to-string capacity)) "N/A"))
           (cons ?L (or (battery-search-for-one-match-in-files
                         (mapcar (lambda (e) (concat e "/state"))
-                                (directory-files "/proc/acpi/ac_adapter/"
-                                                 t "\\`[^.]"))
+                                (ignore-errors
+                                  (directory-files "/proc/acpi/ac_adapter/"
+                                                   t "\\`[^.]")))
                         "state: +\\(.*\\)$" 1)
 
                        "N/A"))
           (cons ?d (or (battery-search-for-one-match-in-files
                         (mapcar (lambda (e) (concat e "/temperature"))
-                                (directory-files "/proc/acpi/thermal_zone/"
-                                                 t "\\`[^.]"))
+                                (ignore-errors
+                                  (directory-files "/proc/acpi/thermal_zone/"
+                                                   t "\\`[^.]")))
                         "temperature: +\\([0-9]+\\) C$" 1)
 
                        "N/A"))