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-rwxr-xr-xscripts/adjust_autoksyms.sh12
1 files changed, 12 insertions, 0 deletions
diff --git a/scripts/adjust_autoksyms.sh b/scripts/adjust_autoksyms.sh
index a904bf1f5e67..212ba45595d3 100755
--- a/scripts/adjust_autoksyms.sh
+++ b/scripts/adjust_autoksyms.sh
@@ -38,6 +38,17 @@ esac
# We need access to CONFIG_ symbols
. include/config/auto.conf
+ksym_wl=/dev/null
+if [ -n "$CONFIG_UNUSED_KSYMS_WHITELIST" ]; then
+ # Use 'eval' to expand the whitelist path and check if it is relative
+ eval ksym_wl="$CONFIG_UNUSED_KSYMS_WHITELIST"
+ [ "${ksym_wl}" != "${ksym_wl#/}" ] || ksym_wl="$abs_srctree/$ksym_wl"
+ if [ ! -f "$ksym_wl" ] || [ ! -r "$ksym_wl" ]; then
+ echo "ERROR: '$ksym_wl' whitelist file not found" >&2
+ exit 1
+ fi
+fi
+
# Generate a new ksym list file with symbols needed by the current
# set of modules.
cat > "$new_ksyms_file" << EOT
@@ -48,6 +59,7 @@ cat > "$new_ksyms_file" << EOT
EOT
sed 's/ko$/mod/' modules.order |
xargs -n1 sed -n -e '2{s/ /\n/g;/^$/!p;}' -- |
+cat - "$ksym_wl" |
sort -u |
sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$new_ksyms_file"