]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
soc: qcom: smem: fix hwspinlock resource leak in probe error paths
authorHaotian Zhang <vulab@iscas.ac.cn>
Wed, 29 Oct 2025 02:27:33 +0000 (10:27 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 18 Dec 2025 12:54:50 +0000 (13:54 +0100)
commit60d1c1d4d92583bf9614cd2e2368b2466c962a21
tree8d0bca0fbbcc9fc71bdd10fbf25a496eaabdf445
parent5bfe033a1b775585b41aba408299ab7f7a857bfc
soc: qcom: smem: fix hwspinlock resource leak in probe error paths

[ Upstream commit dc5db35073a19f6d3c30bea367b551c1a784ef8f ]

The hwspinlock acquired via hwspin_lock_request_specific() is not
released on several error paths. This results in resource leakage
when probe fails.

Switch to devm_hwspin_lock_request_specific() to automatically
handle cleanup on probe failure. Remove the manual hwspin_lock_free()
in qcom_smem_remove() as devm handles it automatically.

Fixes: 20bb6c9de1b7 ("soc: qcom: smem: map only partitions used by local HOST")
Signed-off-by: Haotian Zhang <vulab@iscas.ac.cn>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20251029022733.255-1-vulab@iscas.ac.cn
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/soc/qcom/smem.c