It is true that we do not want to move the code too far to the
right, but something like below is not preferred:

    if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then
    echo Value of $CFG is redefined by fragment $MERGE_FILE:
    echo Previous  value: $PREV_VAL
    echo New value:       $NEW_VAL
    echo
    elif [ "$WARNREDUN" = "true" ]; then
    echo Value of $CFG is redundant by fragment $MERGE_FILE:
    fi

To fix this, call "continue" if the "grep" command fails to find the
given CONFIG.

Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
---

 scripts/kconfig/merge_config.sh | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index 88d89b2..56584b1 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -103,20 +103,18 @@ for MERGE_FILE in $MERGE_LIST ; do
        CFG_LIST=$(sed -n "$SED_CONFIG_EXP" $MERGE_FILE)
 
        for CFG in $CFG_LIST ; do
-               grep -q -w $CFG $TMP_FILE
-               if [ $? -eq 0 ] ; then
-                       PREV_VAL=$(grep -w $CFG $TMP_FILE)
-                       NEW_VAL=$(grep -w $CFG $MERGE_FILE)
-                       if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then
+               grep -q -w $CFG $TMP_FILE || continue
+               PREV_VAL=$(grep -w $CFG $TMP_FILE)
+               NEW_VAL=$(grep -w $CFG $MERGE_FILE)
+               if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then
                        echo Value of $CFG is redefined by fragment $MERGE_FILE:
                        echo Previous  value: $PREV_VAL
                        echo New value:       $NEW_VAL
                        echo
-                       elif [ "$WARNREDUN" = "true" ]; then
+               elif [ "$WARNREDUN" = "true" ]; then
                        echo Value of $CFG is redundant by fragment $MERGE_FILE:
-                       fi
-                       sed -i "/$CFG[ =]/d" $TMP_FILE
                fi
+               sed -i "/$CFG[ =]/d" $TMP_FILE
        done
        cat $MERGE_FILE >> $TMP_FILE
 done
-- 
1.9.1

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