base-files: Fix path check in get_mac_binary

Logic was inverted when changing from string check to file check.
Fix it.

Fixes: 8592602d0a88 ("base-files: Really check path in get_mac_binary")
Reported-by: Matthias Schiffer <mschiffer@universe-factory.net>
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
(cherry picked from commit 6ed3349308b24a6bac753643970a1f9f56ff6070)

diff --git a/package/base-files/files/lib/functions/system.sh b/package/base-files/files/lib/functions/system.sh
index df671465beaf79cf8513d49923e4f6a749e05b52..9b9d03df7b06fb887b25e9c2895399e792705683 100644 (file)
--- a/package/base-files/files/lib/functions/system.sh
+++ b/package/base-files/files/lib/functions/system.sh
@@ -4,7 +4,7 @@ get_mac_binary() {
        local path="$1"
        local offset="$2"
 
-       if [ -e "$path" ]; then
+       if ! [ -e "$path" ]; then
                echo "get_mac_binary: file $path not found!" >&2
                return
        fi