linux-kernel - [PATCH v3 0/4] uacce: driver fixes for memory leaks and state management

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Message-ID: <20251021135003.786588-1-huangchenghai2@huawei.com>
Date: Tue, 21 Oct 2025 21:49:59 +0800
From: Chenghai Huang <huangchenghai2@...wei.com>
To: <gregkh@...uxfoundation.org>, <zhangfei.gao@...aro.org>,
	<wangzhou1@...ilicon.com>
CC: <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>,
	<fanghao11@...wei.com>, <shenyang39@...wei.com>, <liulongfang@...wei.com>,
	<qianweili@...wei.com>, <linwenkai6@...ilicon.com>
Subject: [PATCH v3 0/4] uacce: driver fixes for memory leaks and state management

This patch series addresses several issues in the uacce:
1.Memory leak fix when device registration fails.
2.Fix sysfs file creation conditions.
3.Add error reporting for unsupported mremap operations.
4.Ensuring safe queue release with proper state management.

---
Changes in v3:
- Move the checks for the 'isolate_strategy_show' and
  'isolate_strategy_store' functions to their respective call sites.
- Use kobject_put to release the cdev memory instead of modifying
  cdev to be a static structure member.
- Link to v2: https://lore.kernel.org/all/20250916144811.1799687-1-huangchenghai2@huawei.com/

Changes in v2:
- Use cdev_init to allocate cdev memory to ensure that memory leaks
  are avoided.
- Supplement the reason for intercepting the remapping operation.
- Add "cc: stable@...r.kernel.org" to paths with fixed.
- Link to v1: https://lore.kernel.org/all/20250822103904.3776304-1-huangchenghai2@huawei.com/

Chenghai Huang (2):
  uacce: fix isolate sysfs check condition
  uacce: ensure safe queue release with state management

Wenkai Lin (1):
  uacce: fix for cdev memory leak

Yang Shen (1):
  uacce: implement mremap in uacce_vm_ops to return -EPERM

 drivers/misc/uacce/uacce.c | 55 ++++++++++++++++++++++++++++++--------
 1 file changed, 44 insertions(+), 11 deletions(-)

-- 
2.33.0