xgifb_probe() doesn't own the object it tries to free
in its error code path, potentially leading to a
double-free in xgi_z9s_init().
Since we don't actually implement free, it doesn't matter
too much, but let's keep things proper.
Change-Id: I70c8f395fd59584664040ca6e07be56e046c80fc
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Found-by: Coverity Scan
Reviewed-on: http://review.coreboot.org/8506
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)