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| author | Greg Kroah-Hartman | 2019-06-17 11:23:24 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2019-06-17 11:23:24 +0200 |
| commit | a954e5fb4bc2d401b8fc3b4c7cd316497ff80225 (patch) | |
| tree | 06af23b232c7c2e795a2fef8a5a0604ec64d5092 /drivers/hid/hid-multitouch.c | |
| parent | Revert "usb: mtu3: fix up undefined reference to usb_debug_root" (diff) | |
| parent | Linux 5.2-rc5 (diff) | |
| download | kernel-qcow2-linux-a954e5fb4bc2d401b8fc3b4c7cd316497ff80225.tar.gz kernel-qcow2-linux-a954e5fb4bc2d401b8fc3b4c7cd316497ff80225.tar.xz kernel-qcow2-linux-a954e5fb4bc2d401b8fc3b4c7cd316497ff80225.zip | |
Merge 5.2-rc5 into usb-next
We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hid/hid-multitouch.c')
| -rw-r--r-- | drivers/hid/hid-multitouch.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index c34e972f6296..5df5dd56ecc8 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -637,6 +637,13 @@ static void mt_store_field(struct hid_device *hdev, if (*target != DEFAULT_TRUE && *target != DEFAULT_FALSE && *target != DEFAULT_ZERO) { + if (usage->contactid == DEFAULT_ZERO || + usage->x == DEFAULT_ZERO || + usage->y == DEFAULT_ZERO) { + hid_dbg(hdev, + "ignoring duplicate usage on incomplete"); + return; + } usage = mt_allocate_usage(hdev, application); if (!usage) return; |