X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fum%2Fdrivers%2Ftty.c;h=495858a090e4f49e50d4a79db016173ea4b3a6df;hb=cb9aa97c21c59ad01c9514d7faf45dc166fba226;hp=a9f87e19c5bf9f283faf134f52ad9f0de4b5fdd1;hpb=b4b613fd83853f8c688b3de20ab1a42331257975;p=linux-2.6-omap-h63xx.git diff --git a/arch/um/drivers/tty.c b/arch/um/drivers/tty.c index a9f87e19c5b..495858a090e 100644 --- a/arch/um/drivers/tty.c +++ b/arch/um/drivers/tty.c @@ -1,16 +1,16 @@ /* - * Copyright (C) 2001 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{linux.intel,addtoit}.com) * Licensed under the GPL */ -#include -#include #include -#include +#include +#include #include "chan_user.h" -#include "user.h" +#include "kern_constants.h" #include "os.h" #include "um_malloc.h" +#include "user.h" struct tty_chan { char *dev; @@ -22,15 +22,15 @@ static void *tty_chan_init(char *str, int device, const struct chan_opts *opts) { struct tty_chan *data; - if(*str != ':'){ - printk("tty_init : channel type 'tty' must specify " + if (*str != ':') { + printk(UM_KERN_ERR "tty_init : channel type 'tty' must specify " "a device\n"); return NULL; } str++; - data = kmalloc(sizeof(*data), UM_GFP_KERNEL); - if(data == NULL) + data = uml_kmalloc(sizeof(*data), UM_GFP_KERNEL); + if (data == NULL) return NULL; *data = ((struct tty_chan) { .dev = str, .raw = opts->raw }); @@ -42,19 +42,26 @@ static int tty_open(int input, int output, int primary, void *d, char **dev_out) { struct tty_chan *data = d; - int fd, err; + int fd, err, mode = 0; + + if (input && output) + mode = O_RDWR; + else if (input) + mode = O_RDONLY; + else if (output) + mode = O_WRONLY; - fd = os_open_file(data->dev, of_set_rw(OPENFLAGS(), input, output), 0); - if(fd < 0) - return fd; + fd = open(data->dev, mode); + if (fd < 0) + return -errno; - if(data->raw){ + if (data->raw) { CATCH_EINTR(err = tcgetattr(fd, &data->tt)); - if(err) + if (err) return err; err = raw(fd); - if(err) + if (err) return err; }