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logitech-hidpp: Read from the device in a more safe way

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This commit is contained in:
Richard Hughes 2021-02-10 09:49:42 +00:00
parent 4ae9aa87df
commit 925f2e914b
1 changed files with 3 additions and 1 deletions
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4
plugins/logitech-hidpp/fu-logitech-hidpp-peripheral.c
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@ -861,7 +861,9 @@ fu_logitech_hidpp_peripheral_write_firmware_pkt (FuLogitechHidPpPeripheral *self
}
/* check error */
packet_cnt = fu_common_read_uint32 (msg->data, G_BIG_ENDIAN);
if (!fu_common_read_uint32_safe (msg->data, sizeof(msg->data), 0x0,
&packet_cnt, G_BIG_ENDIAN, error))
return FALSE;
g_debug ("packet_cnt=0x%04x", packet_cnt);
if (fu_logitech_hidpp_peripheral_check_status (msg->data[4], &error_local))
return TRUE;