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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-08-13 21:41:58 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-08-13 21:41:58 +0200 |
| commit | ce7ba95cf078337c9921b301a7e4b9e82561db38 (patch) | |
| tree | 3c888fee60a931ca658218adc58bc12df4864c37 /drivers/thunderbolt | |
| parent | Merge tag 'tty-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gre... (diff) | |
| parent | thunderbolt: Do not enumerate more ports from DROM than the controller has (diff) | |
| download | linux-ce7ba95cf078337c9921b301a7e4b9e82561db38.tar.xz linux-ce7ba95cf078337c9921b301a7e4b9e82561db38.zip | |
Merge tag 'char-misc-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are two patches for 4.13-rc5.
One is a fix for a reported thunderbolt issue, and the other a fix for
an MEI driver issue. Both have been in linux-next with no reported
issues"
* tag 'char-misc-4.13-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
thunderbolt: Do not enumerate more ports from DROM than the controller has
mei: exclude device from suspend direct complete optimization
Diffstat (limited to 'drivers/thunderbolt')
| -rw-r--r-- | drivers/thunderbolt/eeprom.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c index 308b6e17c88a..fe2f00ceafc5 100644 --- a/drivers/thunderbolt/eeprom.c +++ b/drivers/thunderbolt/eeprom.c @@ -333,6 +333,15 @@ 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) |