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| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-05-25 10:12:04 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-06-10 13:33:28 +0200 |
| commit | 6f3cdf2bf1ba9b70de6c2921a415951a0d59873b (patch) | |
| tree | a86496dff5387d49bee8a9eaf39441e9488550e2 /drivers/tty/serial/pic32_uart.c | |
| parent | d93e612d13baabe76a8f414aa5dfc5726d4845da (diff) | |
| download | linux-6f3cdf2bf1ba9b70de6c2921a415951a0d59873b.tar.gz linux-6f3cdf2bf1ba9b70de6c2921a415951a0d59873b.tar.bz2 linux-6f3cdf2bf1ba9b70de6c2921a415951a0d59873b.zip | |
serial: pic32: fix missing clk_disable_unprepare() on error in pic32_uart_startup()
Fix the missing clk_disable_unprepare() before return
from pic32_uart_startup() in the error handling case.
Fixes: 157b9394709e ("serial: pic32_uart: Add PIC32 UART driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220525021204.2407631-1-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/pic32_uart.c')
| -rw-r--r-- | drivers/tty/serial/pic32_uart.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c index b399aac530fe..f418f1de66b3 100644 --- a/drivers/tty/serial/pic32_uart.c +++ b/drivers/tty/serial/pic32_uart.c @@ -503,7 +503,7 @@ static int pic32_uart_startup(struct uart_port *port) if (!sport->irq_fault_name) { dev_err(port->dev, "%s: kasprintf err!", __func__); ret = -ENOMEM; - goto out_done; + goto out_disable_clk; } irq_set_status_flags(sport->irq_fault, IRQ_NOAUTOEN); ret = request_irq(sport->irq_fault, pic32_uart_fault_interrupt, @@ -579,6 +579,8 @@ out_r: out_f: free_irq(sport->irq_fault, port); kfree(sport->irq_fault_name); +out_disable_clk: + clk_disable_unprepare(sport->clk); out_done: return ret; } |