diff options
Diffstat (limited to 'drivers/hid/hid-steam.c')
-rw-r--r-- | drivers/hid/hid-steam.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c index a3b151b29bd7..8ee43cb225fc 100644 --- a/drivers/hid/hid-steam.c +++ b/drivers/hid/hid-steam.c @@ -134,6 +134,11 @@ static int steam_recv_report(struct steam_device *steam, int ret; r = steam->hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0]; + if (!r) { + hid_err(steam->hdev, "No HID_FEATURE_REPORT submitted - nothing to read\n"); + return -EINVAL; + } + if (hid_report_len(r) < 64) return -EINVAL; @@ -165,6 +170,11 @@ static int steam_send_report(struct steam_device *steam, int ret; r = steam->hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0]; + if (!r) { + hid_err(steam->hdev, "No HID_FEATURE_REPORT submitted - nothing to read\n"); + return -EINVAL; + } + if (hid_report_len(r) < 64) return -EINVAL; @@ -246,7 +256,7 @@ static int steam_get_serial(struct steam_device *steam) if (reply[0] != 0xae || reply[1] != 0x15 || reply[2] != 0x01) return -EIO; reply[3 + STEAM_SERIAL_LEN] = 0; - strlcpy(steam->serial_no, reply + 3, sizeof(steam->serial_no)); + strscpy(steam->serial_no, reply + 3, sizeof(steam->serial_no)); return 0; } @@ -514,7 +524,7 @@ static int steam_register(struct steam_device *steam) */ mutex_lock(&steam->mutex); if (steam_get_serial(steam) < 0) - strlcpy(steam->serial_no, "XXXXXXXXXX", + strscpy(steam->serial_no, "XXXXXXXXXX", sizeof(steam->serial_no)); mutex_unlock(&steam->mutex); @@ -689,9 +699,9 @@ static struct hid_device *steam_create_client_hid(struct hid_device *hdev) client_hdev->version = hdev->version; client_hdev->type = hdev->type; client_hdev->country = hdev->country; - strlcpy(client_hdev->name, hdev->name, + strscpy(client_hdev->name, hdev->name, sizeof(client_hdev->name)); - strlcpy(client_hdev->phys, hdev->phys, + strscpy(client_hdev->phys, hdev->phys, sizeof(client_hdev->phys)); /* * Since we use the same device info than the real interface to |