diff options
| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2017-07-28 21:54:03 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-07-30 07:37:25 -0700 |
| commit | cbafe9d5c346735d6ac5d5c905fd9c215fbbb941 (patch) | |
| tree | a5b4e4d19e0c72ceafdc55854a3553c57e906bd9 | |
| parent | 4350782570b919f254c1e083261a21c19fcaee90 (diff) | |
| download | linux-cbafe9d5c346735d6ac5d5c905fd9c215fbbb941.tar.bz2 | |
drivers/serial: Do not leave sysfs group in case of error in aspeed_vuart_probe()
There are several error handling paths in aspeed_vuart_probe(),
where sysfs group is left unremoved. The patch fixes them.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/8250/8250_aspeed_vuart.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/tty/serial/8250/8250_aspeed_vuart.c b/drivers/tty/serial/8250/8250_aspeed_vuart.c index 822be4906763..33a801353114 100644 --- a/drivers/tty/serial/8250/8250_aspeed_vuart.c +++ b/drivers/tty/serial/8250/8250_aspeed_vuart.c @@ -223,12 +223,13 @@ static int aspeed_vuart_probe(struct platform_device *pdev) if (IS_ERR(vuart->clk)) { dev_warn(&pdev->dev, "clk or clock-frequency not defined\n"); - return PTR_ERR(vuart->clk); + rc = PTR_ERR(vuart->clk); + goto err_sysfs_remove; } rc = clk_prepare_enable(vuart->clk); if (rc < 0) - return rc; + goto err_sysfs_remove; clk = clk_get_rate(vuart->clk); } @@ -286,6 +287,8 @@ static int aspeed_vuart_probe(struct platform_device *pdev) err_clk_disable: clk_disable_unprepare(vuart->clk); irq_dispose_mapping(port.port.irq); +err_sysfs_remove: + sysfs_remove_group(&vuart->dev->kobj, &aspeed_vuart_attr_group); return rc; } |