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As the comment for the function states, led_return is undefined if map is NULL. We might as well skip writing to it then. Found by clang. Reported-by: Tomas Carnecky <tom@dbservice.com> Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jamey Sharp <jamey@minilop.net>
The X server uses this directory to store the compiled version of the
current keymap and/or any scratch keymaps used by clients. The X server
or some other tool might destroy or replace the files in this directory,
so it is not a safe place to store compiled keymaps for long periods of
time. The default keymap for any server is usually stored in:
X<num>-default.xkm
where <num> is the display number of the server in question, which makes
it possible for several servers *on the same host* to share the same
directory.
Unless the X server is modified, sharing this directory between servers on
different hosts could cause problems.