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Pan Bian authored
Function radeon_ring_lock() returns an errno on failure, and its return value should be validated. However, in functions r420_cp_errata_init() and r420_cp_errata_fini(), its return value is not checked. This patch adds the checks. Reviewed-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
Pan Bian <bianpan2016@163.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
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