summaryrefslogtreecommitdiff
path: root/util/cbfstool/cbfstool.c
diff options
context:
space:
mode:
Diffstat (limited to 'util/cbfstool/cbfstool.c')
-rw-r--r--util/cbfstool/cbfstool.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/util/cbfstool/cbfstool.c b/util/cbfstool/cbfstool.c
index c823dc8209..2d8483ba0b 100644
--- a/util/cbfstool/cbfstool.c
+++ b/util/cbfstool/cbfstool.c
@@ -70,6 +70,7 @@ static struct param {
uint32_t cbfsoffset;
uint32_t cbfsoffset_assigned;
uint32_t arch;
+ bool u64val_assigned;
bool fill_partial_upward;
bool fill_partial_downward;
bool show_immutable;
@@ -716,6 +717,10 @@ static int cbfs_add_flat_binary(void)
static int cbfs_add_integer(void)
{
+ if (!param.u64val_assigned) {
+ ERROR("You need to specify a value to write.\n");
+ return 1;
+ }
return cbfs_add_integer_component(param.name,
param.u64val,
param.baseaddress,
@@ -1452,6 +1457,7 @@ int main(int argc, char **argv)
break;
case 'i':
param.u64val = strtoull(optarg, &suffix, 0);
+ param.u64val_assigned = 1;
if (!*optarg || (suffix && *suffix)) {
ERROR("Invalid int parameter '%s'.\n",
optarg);