From 7fc3c3822db79cc0e44887c73d77c2450efe4b88 Mon Sep 17 00:00:00 2001
From: ajesh <akv@nvidia.com>
Date: Mon, 13 Apr 2020 15:45:07 +0530
Subject: [PATCH] gpu: nvgpu: reduce the ccm for thread unit

Reduce the code complexity of function nvgpu_thread_create_priority
in Thread unit.

Jira NVGPU-4987

Change-Id: I85da527c3d8dbbe37c5428e5bded9ed19b299613
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2327865
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
---
 drivers/gpu/nvgpu/os/posix/thread.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/nvgpu/os/posix/thread.c b/drivers/gpu/nvgpu/os/posix/thread.c
index 09bb4f5c2..e971f4221 100644
--- a/drivers/gpu/nvgpu/os/posix/thread.c
+++ b/drivers/gpu/nvgpu/os/posix/thread.c
@@ -221,36 +221,24 @@ int nvgpu_thread_create_priority(struct nvgpu_thread *thread,
 
 	ret = pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
 	if (ret != 0) {
-		if ((pthread_attr_destroy(&attr)) != 0) {
-			nvgpu_info(NULL, "Thread attr destroy error");
-		}
-		return ret;
+		goto attr_destroy;
 	}
 
 	ret = pthread_attr_setschedpolicy(&attr, SCHED_RR);
 	if (ret != 0) {
-		if ((pthread_attr_destroy(&attr)) != 0) {
-			nvgpu_info(NULL, "Thread attr destroy error");
-		}
-		return ret;
+		goto attr_destroy;
 	}
 
 	param.sched_priority = priority;
 	ret = pthread_attr_setschedparam(&attr, &param);
 	if (ret != 0) {
-		if ((pthread_attr_destroy(&attr)) != 0) {
-			nvgpu_info(NULL, "Thread attr destroy error");
-		}
-		return ret;
+		goto attr_destroy;
 	}
 
 	ret = pthread_create(&thread->thread, &attr,
 			nvgpu_posix_thread_wrapper, &thread->nvgpu);
 	if (ret != 0) {
-		if ((pthread_attr_destroy(&attr)) != 0) {
-			nvgpu_info(NULL, "Thread attr destroy error");
-		}
-		return ret;
+		goto attr_destroy;
 	}
 
 #ifdef _GNU_SOURCE
@@ -283,6 +271,13 @@ int nvgpu_thread_create_priority(struct nvgpu_thread *thread,
 #endif
 
 	return 0;
+
+attr_destroy:
+	if ((pthread_attr_destroy(&attr)) != 0) {
+		nvgpu_info(NULL, "Thread attr destroy error");
+	}
+
+	return ret;
 }
 
 void nvgpu_thread_stop(struct nvgpu_thread *thread)