amdgpu: Use the canonical form in branch predicate

Suggested-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>

diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 0993a6d..868eb7b 100644 (file)
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -559,7 +559,7 @@ int amdgpu_cs_wait_semaphore(amdgpu_context_handle ctx,
        if (ring >= AMDGPU_CS_MAX_RINGS)
                return -EINVAL;
        /* must signal first */
-       if (NULL == sem->signal_fence.context)
+       if (!sem->signal_fence.context)
                return -EINVAL;
 
        pthread_mutex_lock(&ctx->sequence_mutex);