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drm/armada: fix gem object free after failed prime import

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Fix the gem object freeing after a partial import of a dma buffer,
eg, one which has been imported, but not mapped.  This was provoking
a warning from the dma_buf code.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2015-06-15 10:14:51 +01:00
parent 41dbb2dba2
commit 0481c8c47f
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/armada/armada_gem.c
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@ -69,8 +69,9 @@ void armada_gem_free_object(struct drm_gem_object *obj)
if (dobj->obj.import_attach) {
/* We only ever display imported data */
dma_buf_unmap_attachment(dobj->obj.import_attach, dobj->sgt,
DMA_TO_DEVICE);
if (dobj->sgt)
dma_buf_unmap_attachment(dobj->obj.import_attach,
dobj->sgt, DMA_TO_DEVICE);
drm_prime_gem_destroy(&dobj->obj, NULL);
}