Commit f37130533f68711fd6bae2c79950b8e72002bad6

Authored by Jiri Kosina
1 parent 4e55467efb

HID: hidraw: warn if userspace headers are outdated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: Jiri Kosina <jkosina@suse.cz>

Showing 1 changed file with 1 additions and 2 deletions Side-by-side Diff

samples/hidraw/hid-example.c
... ... @@ -17,10 +17,9 @@
17 17 /*
18 18 * Ugly hack to work around failing compilation on systems that don't
19 19 * yet populate new version of hidraw.h to userspace.
20   - *
21   - * If you need this, please have your distro update the kernel headers.
22 20 */
23 21 #ifndef HIDIOCSFEATURE
  22 +#warning Please have your distro update the userspace kernel headers
24 23 #define HIDIOCSFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x06, len)
25 24 #define HIDIOCGFEATURE(len) _IOC(_IOC_WRITE|_IOC_READ, 'H', 0x07, len)
26 25 #endif