AK3: only attempt fallback kernel decompression if format was identified

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/ak3-core.sh b/tools/ak3-core.sh
index 8d7636a..627b053 100755
--- a/tools/ak3-core.sh
+++ b/tools/ak3-core.sh
@@ -309,7 +309,7 @@ flash_boot() {
         ui_print " " "Magisk detected! Patching kernel so reflashing Magisk is not necessary...";
         comp=$($bin/magiskboot decompress kernel 2>&1 | grep -v 'raw' | sed -n 's;.*\[\(.*\)\];\1;p');
         ($bin/magiskboot split $kernel || $bin/magiskboot decompress $kernel kernel) 2>/dev/null;
-        if [ $? != 0 ]; then
+        if [ $? != 0 -a "$comp" ]; then
           echo "Attempting kernel unpack with busybox $comp..." >&2;
           $comp -dc $kernel > kernel;
         fi;