drm/amdgpu/userq: dont overwrite the error of subsequent map call

If a queue fails to map that we need to return the error code back
to the caller and not overwrite with a success specifically.

Accumulate the failure and return that.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sunil Khatri 2026-09-01 16:30:35 +05:30 • committed by Alex Deucher
commit 42a0197d10