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-rw-r--r--drivers/platform/x86/hp-wmi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 667f94bba905..e4a53c3d7028 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -290,14 +290,16 @@ static int hp_wmi_perform_query(int query, enum hp_wmi_command command,
struct bios_return *bios_return;
union acpi_object *obj = NULL;
struct bios_args *args = NULL;
- int mid, actual_outsize, ret;
+ int mid, actual_insize, actual_outsize;
size_t bios_args_size;
+ int ret;
mid = encode_outsize_for_pvsz(outsize);
if (WARN_ON(mid < 0))
return mid;
- bios_args_size = struct_size(args, data, insize);
+ actual_insize = max(insize, 128);
+ bios_args_size = struct_size(args, data, actual_insize);
args = kmalloc(bios_args_size, GFP_KERNEL);
if (!args)
return -ENOMEM;