drm/i915/perf: Initialise err to 0 before looping over ce->engines

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Smatch warning that the loop may be empty causing us to check err before
it had been set. Ensure that it is initialised to 0, just in case.

v2: Refactor the inner loop for better scooping and clarity

Fixes: a9877da2d6 ("drm/i915/oa: Reconfigure contexts on the fly")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190726131458.8310-1-chris@chris-wilson.co.uk

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This commit is contained in:

Chris Wilson 2019-07-26 14:14:58 +01:00

parent edad25476b

commit 5cca503817

1 changed files with 35 additions and 26 deletions

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drivers/gpu/drm/i915/i915_perf.c

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