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From:   Lee Jones <lee@kernel.org>
To:     lee@kernel.org
Cc:     linux-kernel@vger.kernel.org,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>,
        Danilo Krummrich <dakr@redhat.com>,
        dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org,
        linaro-mm-sig@lists.linaro.org
Subject: [PATCH 18/20] drm/drm_gpuva_mgr: Remove set but unused variable 'prev'
Date:   Thu, 24 Aug 2023 08:37:03 +0100
Message-ID: <20230824073710.2677348-19-lee@kernel.org>
In-Reply-To: <20230824073710.2677348-1-lee@kernel.org>
References: <20230824073710.2677348-1-lee@kernel.org>
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Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/drm_gpuva_mgr.c: In function ‘__drm_gpuva_sm_map’:
 drivers/gpu/drm/drm_gpuva_mgr.c:1079:39: warning: variable ‘prev’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Lee Jones <lee@kernel.org>
---
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-media@vger.kernel.org
Cc: linaro-mm-sig@lists.linaro.org
---
 drivers/gpu/drm/drm_gpuva_mgr.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/drm_gpuva_mgr.c b/drivers/gpu/drm/drm_gpuva_mgr.c
index f86bfad74ff8a..ad99c9cfedac7 100644
--- a/drivers/gpu/drm/drm_gpuva_mgr.c
+++ b/drivers/gpu/drm/drm_gpuva_mgr.c
@@ -1076,7 +1076,7 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
 		   u64 req_addr, u64 req_range,
 		   struct drm_gem_object *req_obj, u64 req_offset)
 {
-	struct drm_gpuva *va, *next, *prev = NULL;
+	struct drm_gpuva *va, *next;
 	u64 req_end = req_addr + req_range;
 	int ret;
 
@@ -1106,7 +1106,7 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
 				ret = op_unmap_cb(ops, priv, va, merge);
 				if (ret)
 					return ret;
-				goto next;
+				continue;
 			}
 
 			if (end > req_end) {
@@ -1151,7 +1151,7 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
 				ret = op_remap_cb(ops, priv, &p, NULL, &u);
 				if (ret)
 					return ret;
-				goto next;
+				continue;
 			}
 
 			if (end > req_end) {
@@ -1184,7 +1184,7 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
 				ret = op_unmap_cb(ops, priv, va, merge);
 				if (ret)
 					return ret;
-				goto next;
+				continue;
 			}
 
 			if (end > req_end) {
@@ -1205,8 +1205,6 @@ __drm_gpuva_sm_map(struct drm_gpuva_manager *mgr,
 				break;
 			}
 		}
-next:
-		prev = va;
 	}
 
 	return op_map_cb(ops, priv,
-- 
2.42.0.rc1.204.g551eb34607-goog