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drivers/serial: fix cmsdk serial driver warning 

serial/serial_cmsdk.c: In function 'uart_cmsdk_ioctl':
serial/serial_cmsdk.c:544:10: warning: 'ret' may be used uninitialized in this function [-Wmaybe-uninitialized]
  544 |   return ret;
      |          ^~~

Signed-off-by: Peter Bee <bijunda1@xiaomi.com>
This commit is contained in:
Peter Bee 2024-02-05 17:06:29 +08:00 committed by Xiang Xiao
parent d5c44de14c
commit c3506448c2
1 changed files with 2 additions and 3 deletions
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5
drivers/serial/serial_cmsdk.c
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@ -497,8 +497,8 @@ static int uart_cmsdk_tx_interrupt(int irq, FAR void *context, FAR void *arg)
static int uart_cmsdk_ioctl(struct file *filep, int cmd, unsigned long arg)
{
FAR struct uart_dev_s *dev = filep->f_inode->i_private;
FAR struct uart_cmsdk_s *priv = dev->priv;
int ret;
FAR struct uart_cmsdk_s *priv = (FAR struct uart_cmsdk_s *)dev->priv;
int ret = OK;
switch (cmd)
{
@ -514,7 +514,6 @@ static int uart_cmsdk_ioctl(struct file *filep, int cmd, unsigned long arg)
cfsetispeed(termiosp, priv->baud);
termiosp->c_cflag = CS8;
break;
}
break;