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Commit f3713053 authored by Jiri Kosina's avatar Jiri Kosina
Browse files

HID: hidraw: warn if userspace headers are outdated 



Put a warning into sample hidraw code in samples/hidraw/hid-example.c
in case the userspace headers are missing the necessary defines and
need to be updated.

Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 4e55467e

samples/hidraw/hid-example.c

+1 −2
Original line number Diff line number Diff line
@@ -17,10 +17,9 @@ 
/*

 * Ugly hack to work around failing compilation on systems that don't

 * yet populate new version of hidraw.h to userspace.

 *

 * If you need this, please have your distro update the kernel headers.

 */

#ifndef HIDIOCSFEATURE

#warning Please have your distro update the userspace kernel headers

#define HIDIOCSFEATURE(len)    _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len)

#define HIDIOCGFEATURE(len)    _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len)

#endif