diff options
Diffstat (limited to 'arch/um/drivers/xterm_kern.c')
| -rw-r--r-- | arch/um/drivers/xterm_kern.c | 49 |
1 files changed, 17 insertions, 32 deletions
diff --git a/arch/um/drivers/xterm_kern.c b/arch/um/drivers/xterm_kern.c index a4ce7058e10..b646bccef37 100644 --- a/arch/um/drivers/xterm_kern.c +++ b/arch/um/drivers/xterm_kern.c @@ -1,18 +1,14 @@ /* - * Copyright (C) 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include "linux/errno.h" -#include "linux/slab.h" -#include "linux/signal.h" -#include "linux/interrupt.h" -#include "asm/irq.h" -#include "irq_user.h" +#include <linux/slab.h> +#include <linux/completion.h> +#include <linux/irqreturn.h> +#include <asm/irq.h> #include "irq_kern.h" -#include "kern_util.h" #include "os.h" -#include "xterm.h" struct xterm_wait { struct completion ready; @@ -27,12 +23,13 @@ static irqreturn_t xterm_interrupt(int irq, void *data) int fd; fd = os_rcv_fd(xterm->fd, &xterm->pid); - if(fd == -EAGAIN) - return(IRQ_NONE); + if (fd == -EAGAIN) + return IRQ_NONE; xterm->new_fd = fd; complete(&xterm->ready); - return(IRQ_HANDLED); + + return IRQ_HANDLED; } int xterm_fd(int socket, int *pid_out) @@ -41,22 +38,21 @@ int xterm_fd(int socket, int *pid_out) int err, ret; data = kmalloc(sizeof(*data), GFP_KERNEL); - if(data == NULL){ + if (data == NULL) { printk(KERN_ERR "xterm_fd : failed to allocate xterm_wait\n"); - return(-ENOMEM); + return -ENOMEM; } /* This is a locked semaphore... */ - *data = ((struct xterm_wait) - { .fd = socket, - .pid = -1, - .new_fd = -1 }); + *data = ((struct xterm_wait) { .fd = socket, + .pid = -1, + .new_fd = -1 }); init_completion(&data->ready); - err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, + err = um_request_irq(XTERM_IRQ, socket, IRQ_READ, xterm_interrupt, IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "xterm", data); - if (err){ + if (err) { printk(KERN_ERR "xterm_fd : failed to get IRQ for xterm, " "err = %d\n", err); ret = err; @@ -76,16 +72,5 @@ int xterm_fd(int socket, int *pid_out) out: kfree(data); - return(ret); + return ret; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |