From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Qinglang Miao <miaoqinglang@huawei.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Sasha Levin <sashal@kernel.org>,
linuxppc-dev@lists.ozlabs.org
Subject: [PATCH AUTOSEL 5.4 06/17] powerpc: sysdev: add missing iounmap() on error in mpic_msgr_probe()
Date: Wed, 30 Dec 2020 08:03:46 -0500 [thread overview]
Message-ID: <20201230130357.3637261-6-sashal@kernel.org> (raw)
In-Reply-To: <20201230130357.3637261-1-sashal@kernel.org>
From: Qinglang Miao <miaoqinglang@huawei.com>
[ Upstream commit ffa1797040c5da391859a9556be7b735acbe1242 ]
I noticed that iounmap() of msgr_block_addr before return from
mpic_msgr_probe() in the error handling case is missing. So use
devm_ioremap() instead of just ioremap() when remapping the message
register block, so the mapping will be automatically released on
probe failure.
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201028091551.136400-1-miaoqinglang@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/powerpc/sysdev/mpic_msgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index f6b253e2be409..36ec0bdd8b63c 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -191,7 +191,7 @@ static int mpic_msgr_probe(struct platform_device *dev)
/* IO map the message register block. */
of_address_to_resource(np, 0, &rsrc);
- msgr_block_addr = ioremap(rsrc.start, resource_size(&rsrc));
+ msgr_block_addr = devm_ioremap(&dev->dev, rsrc.start, resource_size(&rsrc));
if (!msgr_block_addr) {
dev_err(&dev->dev, "Failed to iomap MPIC message registers");
return -EFAULT;
--
2.27.0
next prev parent reply other threads:[~2020-12-30 13:10 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-30 13:03 [PATCH AUTOSEL 5.4 01/17] ARM: 9014/2: Replace string mem* functions for KASan Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 02/17] rtc: sun6i: Fix memleak in sun6i_rtc_clk_init Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 03/17] module: set MODULE_STATE_GOING state when a module fails to load Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 04/17] quota: Don't overflow quota file offsets Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 05/17] rtc: pl031: fix resource leak in pl031_probe Sasha Levin
2020-12-30 13:03 ` Sasha Levin [this message]
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 07/17] i3c master: fix missing destroy_workqueue() on error in i3c_master_register Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 08/17] reiserfs: add check for an invalid ih_entry_count Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 09/17] NFSv4: Fix a pNFS layout related use-after-free race when freeing the inode Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 10/17] f2fs: avoid race condition for shrinker count Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 11/17] module: delay kobject uevent until after module init call Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 12/17] f2fs: fix shift-out-of-bounds in sanity_check_raw_super() Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 13/17] fs/namespace.c: WARN if mnt_count has become negative Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 14/17] um: ubd: Submit all data segments atomically Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 15/17] tick/sched: Remove bogus boot "safety" check Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 16/17] ALSA: pcm: Clear the full allocated memory at hw_params Sasha Levin
2020-12-30 13:03 ` [PATCH AUTOSEL 5.4 17/17] dm verity: skip verity work if I/O error when system is shutting down Sasha Levin
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