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| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-05-11 09:45:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-05-19 19:56:51 +0300 |
| commit | 077f5d900f62a817b155e614e7eb79220b1405de (patch) | |
| tree | 227ff6b05cead209f00324ef9c1341df34ba7c4b | |
| parent | 106101303eda8f93c65158e5d72b2cc6088ed034 (diff) | |
| download | linux-077f5d900f62a817b155e614e7eb79220b1405de.tar.xz | |
drivers: dio: add missing iounmap() in dio_init()
If kzalloc() fails, iounmap() need be called in error path.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220511064506.3398512-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/dio/dio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/dio/dio.c b/drivers/dio/dio.c index 005a82f671c3..0e5a5662d5a4 100644 --- a/drivers/dio/dio.c +++ b/drivers/dio/dio.c @@ -216,8 +216,11 @@ static int __init dio_init(void) /* Found a board, allocate it an entry in the list */ dev = kzalloc(sizeof(struct dio_dev), GFP_KERNEL); - if (!dev) + if (!dev) { + if (scode >= DIOII_SCBASE) + iounmap(va); return -ENOMEM; + } dev->bus = &dio_bus; dev->dev.parent = &dio_bus.dev; |