diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-06-24 10:11:27 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2019-06-24 10:11:27 +0200 |
| commit | 25bc694a8a086bfee6e5b9dd9e53f4de721b0acf (patch) | |
| tree | a843d17b336c9ea7d4cad67843ebbf255d61ea1f /drivers/hid/hid-multitouch.c | |
| parent | 3e26c5feed2add218046ecf91bab3cfa9bf762a6 (diff) | |
| parent | 000dd5316e1c756a1c028f22e01d06a38249dd4d (diff) | |
| download | talos-op-linux-25bc694a8a086bfee6e5b9dd9e53f4de721b0acf.tar.gz talos-op-linux-25bc694a8a086bfee6e5b9dd9e53f4de721b0acf.zip | |
Merge back PCI power management material for v5.3.
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; |
