linux-kernel - [PATCH] drm/i915/pmu: fix noderef.cocci warnings

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Date:   Fri, 12 Jan 2018 21:31:16 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Tvrtko Ursulin <tvrtko.ursulin@...el.com>
Cc:     kbuild-all@...org, Chris Wilson <chris@...is-wilson.co.uk>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] drm/i915/pmu: fix noderef.cocci warnings

From: Fengguang Wu <fengguang.wu@...el.com>

drivers/gpu/drm/i915/i915_pmu.c:795:34-40: ERROR: application of sizeof to pointer

 sizeof when applied to a pointer typed expression gives the size of
 the pointer

Generated by: scripts/coccinelle/misc/noderef.cocci

Fixes: 109ec558370f ("drm/i915/pmu: Only enumerate available counters in sysfs")
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 i915_pmu.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -792,7 +792,7 @@ create_event_attributes(struct drm_i915_
 		goto err_alloc;
 
 	/* Max one pointer of each attribute type plus a termination entry. */
-	attr = kzalloc((count * 2 + 1) * sizeof(attr), GFP_KERNEL);
+	attr = kzalloc((count * 2 + 1) * sizeof(*attr), GFP_KERNEL);
 	if (!attr)
 		goto err_alloc;