linux-kernel - [PATCH 5.17 314/343] drm/amdkfd: Fix variable set but not used warning

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Message-Id: <20220412063000.386044332@linuxfoundation.org>
Date:   Tue, 12 Apr 2022 08:32:12 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, kernel test robot <lkp@...el.com>,
        Philip Yang <Philip.Yang@....com>,
        Harish Kasiviswanathan <Harish.Kasiviswanathan@....com>,
        Alex Deucher <alexander.deucher@....com>
Subject: [PATCH 5.17 314/343] drm/amdkfd: Fix variable set but not used warning

From: Philip Yang <Philip.Yang@....com>

commit 90c44207cdd18091ac9aa7cab8a3e7b0ef00e847 upstream.

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c: In function
'svm_range_deferred_list_work':
>> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:2067:22: warning:
variable 'p' set but not used [-Wunused-but-set-variable]
    2067 |  struct kfd_process *p;
         |

Fixes: 367c9b0f1b8750 ("drm/amdkfd: Ensure mm remain valid in svm deferred_list work")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Philip Yang <Philip.Yang@....com>
Reviewed-By: Harish Kasiviswanathan <Harish.Kasiviswanathan@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/amd/amdkfd/kfd_svm.c |    3 ---
 1 file changed, 3 deletions(-)

--- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c
@@ -2066,13 +2066,10 @@ static void svm_range_deferred_list_work
 	struct svm_range_list *svms;
 	struct svm_range *prange;
 	struct mm_struct *mm;
-	struct kfd_process *p;
 
 	svms = container_of(work, struct svm_range_list, deferred_list_work);
 	pr_debug("enter svms 0x%p\n", svms);
 
-	p = container_of(svms, struct kfd_process, svms);
-
 	spin_lock(&svms->deferred_list_lock);
 	while (!list_empty(&svms->deferred_range_list)) {
 		prange = list_first_entry(&svms->deferred_range_list,