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| author |   mpi <mpi@openbsd.org> | 2015-01-18 17:16:06 +0000 |
|---|---|---|
| committer | mpi <mpi@openbsd.org> | 2015-01-18 17:16:06 +0000 |
| commit | 4e4160e6db62cab6d3079af8e5b10a10fc367d4b (patch) | |
| tree | 0f63e484bdad252afc2f12bdb59a6f1156587b0e | |
| parent | When restoring spsr values when handling traps use spsr_fsxc instead (diff) | |
| download | wireguard-openbsd-4e4160e6db62cab6d3079af8e5b10a10fc367d4b.tar.xz wireguard-openbsd-4e4160e6db62cab6d3079af8e5b10a10fc367d4b.zip | |
Do not calculated the length of a report with an extra byte for the
reportID because the kernel skips it.
Problem reported and fix tested by Benjamin Baier.
| -rw-r--r-- | lib/libusbhid/parse.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/libusbhid/parse.c b/lib/libusbhid/parse.c index a0d3baa0814..06624eccd77 100644 --- a/lib/libusbhid/parse.c +++ b/lib/libusbhid/parse.c @@ -1,4 +1,4 @@ -/* $OpenBSD: parse.c,v 1.9 2014/05/12 17:03:28 mpi Exp $ */ +/* $OpenBSD: parse.c,v 1.10 2015/01/18 17:16:06 mpi Exp $ */ /* $NetBSD: parse.c,v 1.2 2001/12/29 20:44:22 augustss Exp $ */ /* @@ -541,8 +541,8 @@ hid_report_size(report_desc_t r, enum hid_kind k, int id) else temp = hpos - lpos; - /* return length in bytes rounded up */ - return ((temp + 7) / 8 + report_id); + /* No extra byte for the reportID because the kernel skips it. */ + return ((temp + 7) / 8); } int |