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authorLinus Torvalds <torvalds@linux-foundation.org>2017-08-13 12:41:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-08-13 12:41:58 -0700
commitce7ba95cf078337c9921b301a7e4b9e82561db38 (patch)
tree3c888fee60a931ca658218adc58bc12df4864c37 /drivers/thunderbolt
parent438630ef5b3c8755d642b6ca3bc10625ab0af79b (diff)
parent1cd65d17612e8b64989f7af20213d4bb7a7f4d91 (diff)
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.c9
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)