USB: mos7840.c: fix a check-after-dereference

This patch fixes an obvious check-after-dereference spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
git-mirror · Oct 17, 2006 · ad18027 · ad18027
1 parent c19ecd6
commit ad18027
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
@@ -2413,11 +2413,12 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file,
 	}
 
 	mos7840_port = mos7840_get_port_private(port);
-	tty = mos7840_port->port->tty;
 
 	if (mos7840_port == NULL)
 		return -1;
 
+	tty = mos7840_port->port->tty;
+
 	dbg("%s - port %d, cmd = 0x%x", __FUNCTION__, port->number, cmd);
 
 	switch (cmd) {