diff options
Diffstat (limited to '0006-HID-multitouch-Ignore-invalid-reports.patch')
| -rw-r--r-- | 0006-HID-multitouch-Ignore-invalid-reports.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/0006-HID-multitouch-Ignore-invalid-reports.patch b/0006-HID-multitouch-Ignore-invalid-reports.patch new file mode 100644 index 000000000000..ec15011020cb --- /dev/null +++ b/0006-HID-multitouch-Ignore-invalid-reports.patch @@ -0,0 +1,38 @@ +From a84d692a5e0f894d7e9c81208197423d023f50d9 Mon Sep 17 00:00:00 2001 +From: Daniel Martin <consume.noise@gmail.com> +Date: Fri, 2 Oct 2015 10:05:29 +0200 +Subject: [PATCH 1/4] HID: multitouch: Ignore invalid reports + +Drop reports with invalid values. + +Signed-off-by: Daniel Martin <consume.noise@gmail.com> +--- + drivers/hid/hid-multitouch.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c +index 7c81125..1cc1108 100644 +--- a/drivers/hid/hid-multitouch.c ++++ b/drivers/hid/hid-multitouch.c +@@ -559,6 +559,10 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input) + td->num_received >= td->num_expected) + return; + ++ if (td->curdata.x == 0xffff && td->curdata.x == td->curdata.y && ++ td->curdata.w == 0xffff && td->curdata.w == td->curdata.h) ++ goto inc_num_received; ++ + if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { + int slotnum = mt_compute_slot(td, input); + struct mt_slot *s = &td->curdata; +@@ -597,6 +601,7 @@ static void mt_complete_slot(struct mt_device *td, struct input_dev *input) + } + } + ++inc_num_received: + td->num_received++; + } + +-- +2.1.4 + |