linux-kernel - [PATCH] firmware: arm_ffa: Add missing umap in ffa

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20251210031656.56194-1-lihaoxiang@isrc.iscas.ac.cn>
Date: Wed, 10 Dec 2025 11:16:56 +0800
From: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
To: sudeep.holla@....com
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
Subject: [PATCH] firmware: arm_ffa: Add missing umap in ffa_init()

In error path, add ffa_rxtx_unmap() to release the resource
acquired by ffa_rxtx_map().

Signed-off-by: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
---
 drivers/firmware/arm_ffa/driver.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index c72ee4756585..7209a630f6d1 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -2068,6 +2068,7 @@ static int __init ffa_init(void)
 
 	pr_err("failed to setup partitions\n");
 	ffa_notifications_cleanup();
+	ffa_rxtx_unmap(drv_info->vm_id);
 free_pages:
 	if (drv_info->tx_buffer)
 		free_pages_exact(drv_info->tx_buffer, rxtx_bufsz);
-- 
2.25.1