git: 8d4d08d571c6 - main - hidraw(4): Return actual length of read data from HIDIOCG* ioctls
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Date: Sun, 27 Apr 2025 09:09:06 UTC
The branch main has been updated by wulf: URL: https://cgit.FreeBSD.org/src/commit/?id=8d4d08d571c64d8f040c2cd1d8f98844251a2238 commit 8d4d08d571c64d8f040c2cd1d8f98844251a2238 Author: Vladimir Kondratyev <wulf@FreeBSD.org> AuthorDate: 2025-04-27 09:07:35 +0000 Commit: Vladimir Kondratyev <wulf@FreeBSD.org> CommitDate: 2025-04-27 09:07:35 +0000 hidraw(4): Return actual length of read data from HIDIOCG* ioctls To match Linux. MFC after: 3 days --- sys/dev/hid/hidraw.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/sys/dev/hid/hidraw.c b/sys/dev/hid/hidraw.c index f573b3db1391..c9d29b836d43 100644 --- a/sys/dev/hid/hidraw.c +++ b/sys/dev/hid/hidraw.c @@ -915,8 +915,14 @@ hidraw_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, default: panic("Invalid report type"); } - return (hid_get_report(sc->sc_dev, addr, len, NULL, - reptype, id)); + error = hid_get_report(sc->sc_dev, addr, len, &actsize, + reptype, id); + if (error == 0) { + if (id == 0) + actsize++; + td->td_retval[0] = actsize; + } + return (error); case HIDIOCGRAWUNIQ(0): strlcpy(addr, sc->sc_hw->serial, len);