diff options
Diffstat (limited to 'drivers/thunderbolt/eeprom.c')
| -rw-r--r-- | drivers/thunderbolt/eeprom.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index 308b6e17c88a..3e8caf22c294 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Thunderbolt Cactus Ridge driver - eeprom access * @@ -333,6 +334,15 @@ static int tb_drom_parse_entry_port(struct tb_switch *sw, int res; enum tb_port_type type; + /* + * Some DROMs list more ports than the controller actually has + * so we skip those but allow the parser to continue. + */ + if (header->index > sw->config.max_port_number) { + dev_info_once(&sw->dev, "ignoring unnecessary extra entries in DROM\n"); + return 0; + } + port = &sw->ports[header->index]; port->disabled = header->port_disabled; if (port->disabled) |