drm/armada: don't grab dev->struct_mutex for in mmap offset ioctl

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Since David Herrmann's mmap vma manager rework we don't need to grab
dev->struct_mutex any more to prevent races when looking up the mmap
offset. Drop it and instead don't forget to use the unref_unlocked
variant (since the drm core still cares).

v2: Split out the leak fix in dump_map_offset into a separate patch as
requested by Russell. Also align labels the same way as before to
stick with local coding style.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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Daniel Vetter 2015-11-23 10:32:44 +01:00 • committed by Russell King

parent 8d6185b55c

commit 39146d6f86

1 changed files with 2 additions and 6 deletions

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drivers/gpu/drm/armada/armada_gem.c

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