gem_evict_everything: Fix the error code checking after drmIoctl

drmIoctl doesn't return the errno, so look it up after an error.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/tests/gem_evict_everything.c b/tests/gem_evict_everything.c
index 9c88a6b..cf55939 100644 (file)
--- a/tests/gem_evict_everything.c
+++ b/tests/gem_evict_everything.c
@@ -57,7 +57,7 @@ copy(int fd, uint32_t dst, uint32_t src, uint32_t *all_bo, int n_bo, int error)
        struct drm_i915_gem_exec_object2 *obj;
        struct drm_i915_gem_execbuffer2 exec;
        uint32_t handle;
-       int n;
+       int n, ret;
 
        batch[0] = (XY_SRC_COPY_BLT_CMD |
                    XY_SRC_COPY_BLT_WRITE_ALPHA |
@@ -109,7 +109,10 @@ copy(int fd, uint32_t dst, uint32_t src, uint32_t *all_bo, int n_bo, int error)
        i915_execbuffer2_set_context_id(exec, 0);
        exec.rsvd2 = 0;
 
-       igt_assert(drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec) == error);
+       ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &exec);
+       if (ret)
+               ret = errno;
+       igt_assert(ret == error);
 
        gem_close(fd, handle);
 }