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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-09-07 06:53:49 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-09-10 23:33:02 (GMT) |
| commit | 3d39aa6869c3cfc72dccb6c9431ecdb3ad7627ad (patch) | |
| tree | 2da51f22ede1fdf28768f40b16e31b85d8697268 /drivers/tty/serial/ioc3_serial.c | |
| parent | 3dbc5ce2bffa40ef9a95247f3e9ea0f8874489ac (diff) | |
| download | linux-3d39aa6869c3cfc72dccb6c9431ecdb3ad7627ad.tar.xz | |
TTY: serial: move the dereference below the NULL test
The dereference should be moved below the NULL test.
spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/ioc3_serial.c')
| -rw-r--r-- | drivers/tty/serial/ioc3_serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/ioc3_serial.c b/drivers/tty/serial/ioc3_serial.c index 758ff310..5ac5289 100644 --- a/drivers/tty/serial/ioc3_serial.c +++ b/drivers/tty/serial/ioc3_serial.c @@ -1120,13 +1120,14 @@ static inline int do_read(struct uart_port *the_port, char *buf, int len) struct ioc3_port *port = get_ioc3_port(the_port); struct ring *inring; struct ring_entry *entry; - struct port_hooks *hooks = port->ip_hooks; + struct port_hooks *hooks; int byte_num; char *sc; int loop_counter; BUG_ON(!(len >= 0)); BUG_ON(!port); + hooks = port->ip_hooks; /* There is a nasty timing issue in the IOC3. When the rx_timer * expires or the rx_high condition arises, we take an interrupt. |