linux-kernel - [PATCH] drm/i915: Use ERR_CAST instead of ERR_PTR(PTR

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Message-Id: <20211025113316.24424-1-wanjiabing@vivo.com>
Date:   Mon, 25 Oct 2021 07:32:50 -0400
From:   Wan Jiabing <wanjiabing@...o.com>
To:     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>,
        Daniel Vetter <daniel@...ll.ch>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Jason Ekstrand <jason@...kstrand.net>,
        Matthew Auld <matthew.auld@...el.com>,
        Matthew Brost <matthew.brost@...el.com>,
        intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     kael_w@...h.net, Wan Jiabing <wanjiabing@...o.com>
Subject: [PATCH] drm/i915: Use ERR_CAST instead of ERR_PTR(PTR_ERR())

Fix following coccicheck warning:
./drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c:3117:15-22: WARNING:
ERR_CAST can be used with eb->requests[i].

Signed-off-by: Wan Jiabing <wanjiabing@...o.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 4d7da07442f2..eb2dcaf78d08 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -3114,7 +3114,7 @@ eb_requests_create(struct i915_execbuffer *eb, struct dma_fence *in_fence,
 		/* Allocate a request for this batch buffer nice and early. */
 		eb->requests[i] = i915_request_create(eb_find_context(eb, i));
 		if (IS_ERR(eb->requests[i])) {
-			out_fence = ERR_PTR(PTR_ERR(eb->requests[i]));
+			out_fence = ERR_CAST(eb->requests[i]);
 			eb->requests[i] = NULL;
 			return out_fence;
 		}
-- 
2.20.1