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author | Jens Axboe <axboe@fb.com> | 2014-09-11 19:31:18 +0400 |
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committer | Jens Axboe <axboe@fb.com> | 2014-09-11 19:31:18 +0400 |
commit | b207892b061da7608878e273ae22ba9bf9be264b (patch) | |
tree | 51daa46b89b83cad422941f52110b19571b85b79 /drivers/hid/hid-magicmouse.c | |
parent | 018a17bdc8658ad448497c84d4ba21b6985820ec (diff) | |
parent | a516440542afcb9647f88d12c35640baf02d07ea (diff) | |
download | linux-b207892b061da7608878e273ae22ba9bf9be264b.tar.xz |
Merge branch 'for-linus' into for-3.18/core
A bit of churn on the for-linus side that would be nice to have
in the core bits for 3.18, so pull it in to catch us up and make
forward progress easier.
Signed-off-by: Jens Axboe <axboe@fb.com>
Conflicts:
block/scsi_ioctl.c
Diffstat (limited to 'drivers/hid/hid-magicmouse.c')
-rw-r--r-- | drivers/hid/hid-magicmouse.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index ecc2cbf300cc..29a74c1efcb8 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -290,6 +290,11 @@ static int magicmouse_raw_event(struct hid_device *hdev, if (size < 4 || ((size - 4) % 9) != 0) return 0; npoints = (size - 4) / 9; + if (npoints > 15) { + hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n", + size); + return 0; + } msc->ntouches = 0; for (ii = 0; ii < npoints; ii++) magicmouse_emit_touch(msc, ii, data + ii * 9 + 4); @@ -307,6 +312,11 @@ static int magicmouse_raw_event(struct hid_device *hdev, if (size < 6 || ((size - 6) % 8) != 0) return 0; npoints = (size - 6) / 8; + if (npoints > 15) { + hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n", + size); + return 0; + } msc->ntouches = 0; for (ii = 0; ii < npoints; ii++) magicmouse_emit_touch(msc, ii, data + ii * 8 + 6); |