提交 f1033b3d 编写于 作者: W Wang ShaoBo 提交者: openeuler-sync-bot

mISDN: fix misuse of put_device() in mISDN_register_device()

stable inclusion
from stable-v5.10.156
commit 709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7MCG1

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=709aa1f73d3e9e9ea16e2c4e44f2874c5d2c382c

--------------------------------

[ Upstream commit 2d25107e ]

We should not release reference by put_device() before calling device_initialize().

Fixes: e7d1d4d9 ("mISDN: fix possible memory leak in mISDN_register_device()")
Signed-off-by: NWang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: Nsanglipeng <sanglipeng1@jd.com>
(cherry picked from commit 4c267e55)
上级 79b3d474
...@@ -222,7 +222,7 @@ mISDN_register_device(struct mISDNdevice *dev, ...@@ -222,7 +222,7 @@ mISDN_register_device(struct mISDNdevice *dev,
err = get_free_devid(); err = get_free_devid();
if (err < 0) if (err < 0)
goto error1; return err;
dev->id = err; dev->id = err;
device_initialize(&dev->dev); device_initialize(&dev->dev);
......
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