linux-kernel - [PATCH] vhost: Use ERR_CAST inlined function instead of ERR_PTR(PTR

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Message-Id: <1a8499a5da53e4f72cf21aca044ae4b26db8b2ad.1749020055.git.xiaopei01@kylinos.cn>
Date: Wed,  4 Jun 2025 14:55:48 +0800
From: Pei Xiao <xiaopei01@...inos.cn>
To: mst@...hat.com,
	virtualization@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org
Cc: Pei Xiao <xiaopei01@...inos.cn>
Subject: [PATCH] vhost:  Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

cocci warning:
./kernel/vhost_task.c:148:9-16: WARNING: ERR_CAST can be used with tsk

Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...)).

Signed-off-by: Pei Xiao <xiaopei01@...inos.cn>
---
 kernel/vhost_task.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/vhost_task.c b/kernel/vhost_task.c
index 2f844c279a3e..8c4a82c0bdbe 100644
--- a/kernel/vhost_task.c
+++ b/kernel/vhost_task.c
@@ -111,7 +111,7 @@ EXPORT_SYMBOL_GPL(vhost_task_stop);
  * @arg: data to be passed to fn and handled_kill
  * @name: the thread's name
  *
- * This returns a specialized task for use by the vhost layer or ERR_PTR() on
+ * This returns a specialized task for use by the vhost layer or ERR_CAST() on
  * failure. The returned task is inactive, and the caller must fire it up
  * through vhost_task_start().
  */
@@ -145,7 +145,7 @@ struct vhost_task *vhost_task_create(bool (*fn)(void *),
 	tsk = copy_process(NULL, 0, NUMA_NO_NODE, &args);
 	if (IS_ERR(tsk)) {
 		kfree(vtsk);
-		return ERR_PTR(PTR_ERR(tsk));
+		return ERR_CAST(tsk);
 	}
 
 	vtsk->task = tsk;
-- 
2.25.1