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| author |   Dan Carpenter <dan.carpenter@oracle.com> | 2017-02-08 10:23:24 +0300 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-02-09 13:54:49 +0100 |
| commit | 10d258c51869916347adce4312e6fe41fa5144ad (patch) | |
| tree | d1bf7131a33aeb5da10722eaa0ee8313d46dfde0 /drivers/tty | |
| parent | serial: 8250_pci: make pciserial_detach_ports() static (diff) | |
| download | linux-dev-10d258c51869916347adce4312e6fe41fa5144ad.tar.xz linux-dev-10d258c51869916347adce4312e6fe41fa5144ad.zip | |
serdev: ttyport: check whether tty_init_dev() fails
My static checker complains that we don't have any error handling here.
It's simple enough to add it.
Fixes: bed35c6dfa6a ("serdev: add a tty port controller driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serdev/serdev-ttyport.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c index 683320b81a2b..d05393594f15 100644 --- a/drivers/tty/serdev/serdev-ttyport.c +++ b/drivers/tty/serdev/serdev-ttyport.c @@ -97,6 +97,8 @@ static int ttyport_open(struct serdev_controller *ctrl) struct ktermios ktermios; tty = tty_init_dev(serport->tty_drv, serport->tty_idx); + if (IS_ERR(tty)) + return PTR_ERR(tty); serport->tty = tty; serport->port->client_ops = &client_ops; |