gallium/rtasm: handle mmap failures appropriately
For a variety of reasons mmap (selinux and pax to name a few) and can fail and with current code. This will result in a crash in the driver, if not worse. This has been the case since the inception of the gallium copy of rtasm. Cc: 9.1 9.2 10.0 <mesa-stable@lists.freedesktop.org> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=73473 Signed-off-by:Emil Velikov <emil.l.velikov@gmail.com> Reviewed-by:
Jakob Bornecrantz <jakob@vmware.com>
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