Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
 tests/kms_frontbuffer_tracking.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
index 602707f98..6d3fe8d02 100644
--- a/tests/kms_frontbuffer_tracking.c
+++ b/tests/kms_frontbuffer_tracking.c
@@ -1588,6 +1588,9 @@ static bool fbc_supported_on_chipset(void)
        char buf[128];
 
        debugfs_read("i915_fbc_status", buf);
+       if (*buf == '\0')
+               return false;
+
        return !strstr(buf, "FBC unsupported on this chipset\n");
 }
 
-- 
2.16.1

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