drm-tests: check prime export failure for dma-buf map unmap
This change ensures EMFILE is properly logged if fd leak ends up
exceeding the proc limit, instead of deferring to later passing -1 to
other calls overriding errno to EINVAL.
BUG=b:282243659
TEST=emerge-$BOARD drm-tests
Change-Id: I838bf809030a6b1eb833981ad3bae7116f854030
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/drm-tests/+/4530679
Reviewed-by: Dawn Han <dawnhan@google.com>
Reviewed-by: Andres Calderon Jaramillo <andrescj@chromium.org>
Tested-by: Yiwei Zhang <zzyiwei@chromium.org>
Commit-Queue: Yiwei Zhang <zzyiwei@chromium.org>
1 file changed
