diff options
| author | Jameson Thies <jthies@google.com> | 2024-06-25 02:46:07 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-27 16:09:10 +0200 |
| commit | 22d96a285449ba78abeaf3e197caca46bc24f8e5 (patch) | |
| tree | e72491bc4c7d7725a16dcf24a1a9a7c25c6b7e4c /drivers/usb | |
| parent | xhci: sort out TRB Endpoint ID bitfield macros (diff) | |
| download | linux-22d96a285449ba78abeaf3e197caca46bc24f8e5.tar.xz linux-22d96a285449ba78abeaf3e197caca46bc24f8e5.zip | |
usb: typec: ucsi: Only set number of plug altmodes after registration
Move the setting of the plug's number of alternate modes into the
same condition as the plug's registration to prevent dereferencing the
connector's plug pointer while it is null.
Fixes: c313a44ac9cd ("usb: typec: ucsi: Always set number of alternate modes")
Suggested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Jameson Thies <jthies@google.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://lore.kernel.org/r/20240625004607.3223757-1-jthies@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 76c48d873b2a..77e46bf4a098 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -1180,13 +1180,13 @@ static int ucsi_check_cable(struct ucsi_connector *con) ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP_P); if (ret < 0) return ret; - } - if (con->plug_altmode[0]) { - num_plug_am = ucsi_get_num_altmode(con->plug_altmode); - typec_plug_set_num_altmodes(con->plug, num_plug_am); - } else { - typec_plug_set_num_altmodes(con->plug, 0); + if (con->plug_altmode[0]) { + num_plug_am = ucsi_get_num_altmode(con->plug_altmode); + typec_plug_set_num_altmodes(con->plug, num_plug_am); + } else { + typec_plug_set_num_altmodes(con->plug, 0); + } } return 0; |