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| author | Dinghao Liu <dinghao.liu@zju.edu.cn> | 2023-09-21 16:24:10 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2023-09-25 23:45:10 +0200 |
| commit | cab63f64887616e3c4e31cfd8103320be6ebc8d3 (patch) | |
| tree | 64028770e0bdda4f25bb55e08d5ae063a7cb40d5 | |
| parent | fc9176e794d74baccb1e4ef41894ac141f524992 (diff) | |
| download | linux-stable-cab63f64887616e3c4e31cfd8103320be6ebc8d3.tar.gz linux-stable-cab63f64887616e3c4e31cfd8103320be6ebc8d3.tar.bz2 linux-stable-cab63f64887616e3c4e31cfd8103320be6ebc8d3.zip | |
i3c: Fix potential refcount leak in i3c_master_register_new_i3c_devs
put_device() needs to be called on failure of device_register()
to give up the reference initialized in it to avoid refcount leak.
Fixes: 3a379bbcea0a ("i3c: Add core I3C infrastructure")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20230921082410.25548-1-dinghao.liu@zju.edu.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
| -rw-r--r-- | drivers/i3c/master.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 839eb8b4bbde..e66a1f84cefb 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1525,9 +1525,11 @@ i3c_master_register_new_i3c_devs(struct i3c_master_controller *master) desc->dev->dev.of_node = desc->boardinfo->of_node; ret = device_register(&desc->dev->dev); - if (ret) + if (ret) { dev_err(&master->dev, "Failed to add I3C device (err = %d)\n", ret); + put_device(&desc->dev->dev); + } } } |