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drm/i915/selftests: Fix uninitialized variable
There is a potential execution path in which variable err is
returned without being properly initialized previously.
Fix this by initializing variable err to 0.
Addresses-Coverity-ID: 1468362 ("Uninitialized scalar variable")
Fixes: f4ecfbfc32
("drm/i915: Check whitelist registers across resets")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180424131545.GA4053@embeddedor.com
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@ -239,7 +239,7 @@ static int live_reset_whitelist(void *arg)
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struct intel_engine_cs *engine = i915->engine[RCS];
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struct i915_gpu_error *error = &i915->gpu_error;
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struct whitelist w;
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int err;
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int err = 0;
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/* If we reset the gpu, we should not lose the RING_NONPRIV */
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