diff options
Diffstat (limited to 'drivers/char')
33 files changed, 87 insertions, 51 deletions
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 72429b6b2fa8..6c32fbf07164 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -81,6 +81,7 @@ static char *serial_version = "4.30"; #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/bitops.h> diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index f3366d3f06cf..2dafc2da0648 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -633,6 +633,7 @@ #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/serial.h> +#include <linux/smp_lock.h> #include <linux/major.h> #include <linux/string.h> #include <linux/fcntl.h> diff --git a/drivers/char/epca.c b/drivers/char/epca.c index abef1f7d84fe..ff647ca1c489 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -36,6 +36,7 @@ #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/uaccess.h> diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c index 94e7e3c8c05a..d97779ef72cb 100644 --- a/drivers/char/hvc_console.c +++ b/drivers/char/hvc_console.c @@ -552,7 +552,7 @@ static int hvc_chars_in_buffer(struct tty_struct *tty) struct hvc_struct *hp = tty->driver_data; if (!hp) - return -1; + return 0; return hp->n_outbuf; } diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c index 621d1184673c..4f1f4cd670da 100644 --- a/drivers/char/isicom.c +++ b/drivers/char/isicom.c @@ -122,6 +122,7 @@ #include <linux/fs.h> #include <linux/sched.h> #include <linux/serial.h> +#include <linux/smp_lock.h> #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/timer.h> diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 0c999f5bb3db..ab2f3349c5c4 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -20,6 +20,7 @@ #include <linux/module.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/interrupt.h> #include <linux/tty.h> #include <linux/tty_flip.h> diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 65b6ff2442c6..dd0083bbb64a 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -34,6 +34,7 @@ #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/major.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 52d953eb30c3..dbf8d52f31d0 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -23,6 +23,7 @@ #include <linux/errno.h> #include <linux/signal.h> #include <linux/sched.h> +#include <linux/smp_lock.h> #include <linux/timer.h> #include <linux/interrupt.h> #include <linux/tty.h> diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c index 1c43c8cdee25..c68118efad84 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/char/n_hdlc.c @@ -97,6 +97,7 @@ #include <linux/slab.h> #include <linux/tty.h> #include <linux/errno.h> +#include <linux/smp_lock.h> #include <linux/string.h> /* used in new tty drivers */ #include <linux/signal.h> /* used in new tty drivers */ #include <linux/if.h> diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c index 2e99158ebb8a..6934025a1ac1 100644 --- a/drivers/char/n_r3964.c +++ b/drivers/char/n_r3964.c @@ -58,6 +58,7 @@ #include <linux/ioport.h> #include <linux/in.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/tty.h> #include <linux/errno.h> #include <linux/string.h> /* used in new tty drivers */ diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index 94a5d5020abc..973be2f44195 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -1331,9 +1331,6 @@ handle_newline: static void n_tty_write_wakeup(struct tty_struct *tty) { - /* Write out any echoed characters that are still pending */ - process_echoes(tty); - if (tty->fasync && test_and_clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags)) kill_fasync(&tty->fasync, SIGIO, POLL_OUT); } @@ -1586,6 +1583,7 @@ static int n_tty_open(struct tty_struct *tty) static inline int input_available_p(struct tty_struct *tty, int amt) { + tty_flush_to_ldisc(tty); if (tty->icanon) { if (tty->canon_data) return 1; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 574f1c79b6e6..ec58d8c387ff 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -828,7 +828,7 @@ static int receive_data(enum port_type index, struct nozomi *dc) struct port *port = &dc->port[index]; void __iomem *addr = port->dl_addr[port->toggle_dl]; struct tty_struct *tty = tty_port_tty_get(&port->port); - int i; + int i, ret; if (unlikely(!tty)) { DBG1("tty not open for port: %d?", index); @@ -844,12 +844,14 @@ static int receive_data(enum port_type index, struct nozomi *dc) /* disable interrupt in downlink... */ disable_transmit_dl(index, dc); - return 0; + ret = 0; + goto put; } if (unlikely(size == 0)) { dev_err(&dc->pdev->dev, "size == 0?\n"); - return 1; + ret = 1; + goto put; } tty_buffer_request_room(tty, size); @@ -871,8 +873,10 @@ static int receive_data(enum port_type index, struct nozomi *dc) } set_bit(index, &dc->flip); + ret = 1; +put: tty_kref_put(tty); - return 1; + return ret; } /* Debug for interrupts */ @@ -1862,16 +1866,14 @@ static s32 ntty_chars_in_buffer(struct tty_struct *tty) { struct port *port = tty->driver_data; struct nozomi *dc = get_dc_by_tty(tty); - s32 rval; + s32 rval = 0; if (unlikely(!dc || !port)) { - rval = -ENODEV; goto exit_in_buffer; } if (unlikely(!port->port.count)) { dev_err(&dc->pdev->dev, "No tty open?\n"); - rval = -ENODEV; goto exit_in_buffer; } diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c index 569f2f7743a7..674b3ab3587d 100644 --- a/drivers/char/pcmcia/ipwireless/tty.c +++ b/drivers/char/pcmcia/ipwireless/tty.c @@ -320,10 +320,10 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty) struct ipw_tty *tty = linux_tty->driver_data; if (!tty) - return -ENODEV; + return 0; if (!tty->open_count) - return -EINVAL; + return 0; return tty->tx_bytes_queued; } diff --git a/drivers/char/pty.c b/drivers/char/pty.c index 9d1b4f548f67..6e6942c45f5b 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -22,6 +22,7 @@ #include <linux/major.h> #include <linux/mm.h> #include <linux/init.h> +#include <linux/smp_lock.h> #include <linux/sysctl.h> #include <linux/device.h> #include <linux/uaccess.h> diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c index ce81da5b2da9..d58c2eb07f07 100644 --- a/drivers/char/rio/rio_linux.c +++ b/drivers/char/rio/rio_linux.c @@ -44,6 +44,7 @@ #include <linux/delay.h> #include <linux/pci.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/miscdevice.h> #include <linux/init.h> diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c index 217660451237..171711acf5cd 100644 --- a/drivers/char/riscom8.c +++ b/drivers/char/riscom8.c @@ -47,6 +47,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/tty_flip.h> +#include <linux/smp_lock.h> #include <linux/spinlock.h> #include <linux/device.h> diff --git a/drivers/char/rocket.c b/drivers/char/rocket.c index 63d5b628477a..0e29a23ec4c5 100644 --- a/drivers/char/rocket.c +++ b/drivers/char/rocket.c @@ -73,6 +73,7 @@ #include <linux/tty_driver.h> #include <linux/tty_flip.h> #include <linux/serial.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c index f1f24f0ee26f..51e7a46787be 100644 --- a/drivers/char/serial167.c +++ b/drivers/char/serial167.c @@ -52,6 +52,7 @@ #include <linux/interrupt.h> #include <linux/serial.h> #include <linux/serialP.h> +#include <linux/smp_lock.h> #include <linux/string.h> #include <linux/fcntl.h> #include <linux/ptrace.h> diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c index e72be4190a44..268e17f9ec3f 100644 --- a/drivers/char/specialix.c +++ b/drivers/char/specialix.c @@ -87,6 +87,7 @@ #include <linux/tty_flip.h> #include <linux/mm.h> #include <linux/serial.h> +#include <linux/smp_lock.h> #include <linux/fcntl.h> #include <linux/major.h> #include <linux/delay.h> @@ -1808,10 +1809,10 @@ static int sx_tiocmset(struct tty_struct *tty, struct file *file, if (clear & TIOCM_DTR) port->MSVR &= ~MSVR_DTR; } - spin_lock_irqsave(&bp->lock, flags); + spin_lock(&bp->lock); sx_out(bp, CD186x_CAR, port_No(port)); sx_out(bp, CD186x_MSVR, port->MSVR); - spin_unlock_irqrestore(&bp->lock, flags); + spin_unlock(&bp->lock); spin_unlock_irqrestore(&port->lock, flags); func_exit(); return 0; @@ -1832,11 +1833,11 @@ static int sx_send_break(struct tty_struct *tty, int length) port->break_length = SPECIALIX_TPS / HZ * length; port->COR2 |= COR2_ETC; port->IER |= IER_TXRDY; - spin_lock_irqsave(&bp->lock, flags); + spin_lock(&bp->lock); sx_out(bp, CD186x_CAR, port_No(port)); sx_out(bp, CD186x_COR2, port->COR2); sx_out(bp, CD186x_IER, port->IER); - spin_unlock_irqrestore(&bp->lock, flags); + spin_unlock(&bp->lock); spin_unlock_irqrestore(&port->lock, flags); sx_wait_CCR(bp); spin_lock_irqsave(&bp->lock, flags); @@ -2022,9 +2023,9 @@ static void sx_unthrottle(struct tty_struct *tty) if (sx_crtscts(tty)) port->MSVR |= MSVR_DTR; /* Else clause: see remark in "sx_throttle"... */ - spin_lock_irqsave(&bp->lock, flags); + spin_lock(&bp->lock); sx_out(bp, CD186x_CAR, port_No(port)); - spin_unlock_irqrestore(&bp->lock, flags); + spin_unlock(&bp->lock); if (I_IXOFF(tty)) { spin_unlock_irqrestore(&port->lock, flags); sx_wait_CCR(bp); @@ -2034,9 +2035,9 @@ static void sx_unthrottle(struct tty_struct *tty) sx_wait_CCR(bp); spin_lock_irqsave(&port->lock, flags); } - spin_lock_irqsave(&bp->lock, flags); + spin_lock(&bp->lock); sx_out(bp, CD186x_MSVR, port->MSVR); - spin_unlock_irqrestore(&bp->lock, flags); + spin_unlock(&bp->lock); spin_unlock_irqrestore(&port->lock, flags); func_exit(); @@ -2060,10 +2061,10 @@ static void sx_stop(struct tty_struct *tty) spin_lock_irqsave(&port->lock, flags); port->IER &= ~IER_TXRDY; - spin_lock_irqsave(&bp->lock, flags); + spin_lock(&bp->lock); sx_out(bp, CD186x_CAR, port_No(port)); sx_out(bp, CD186x_IER, port->IER); - spin_unlock_irqrestore(&bp->lock, flags); + spin_unlock(&bp->lock); spin_unlock_irqrestore(&port->lock, flags); func_exit(); @@ -2088,10 +2089,10 @@ static void sx_start(struct tty_struct *tty) spin_lock_irqsave(&port->lock, flags); if (port->xmit_cnt && port->xmit_buf && !(port->IER & IER_TXRDY)) { port->IER |= IER_TXRDY; - spin_lock_irqsave(&bp->lock, flags); + spin_lock(&bp->lock); sx_out(bp, CD186x_CAR, port_No(port)); sx_out(bp, CD186x_IER, port->IER); - spin_unlock_irqrestore(&bp->lock, flags); + spin_unlock(&bp->lock); } spin_unlock_irqrestore(&port->lock, flags); diff --git a/drivers/char/sx.c b/drivers/char/sx.c index 518f2a25d91e..a81ec4fcf6ff 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -216,6 +216,7 @@ #include <linux/eisa.h> #include <linux/pci.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/init.h> #include <linux/miscdevice.h> #include <linux/bitops.h> diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index afded3a2379c..813552f14884 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -81,6 +81,7 @@ #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/vmalloc.h> diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index a2e67e6df3a1..91f20a92fddf 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -62,6 +62,7 @@ #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/netdevice.h> #include <linux/vmalloc.h> #include <linux/init.h> diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 6f727e3c53ad..8d4a2a8a0a70 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -52,6 +52,7 @@ #include <linux/mm.h> #include <linux/seq_file.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/netdevice.h> #include <linux/vmalloc.h> #include <linux/init.h> diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 0db35857e4d8..5d7a02f63e1c 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -35,7 +35,6 @@ #include <linux/spinlock.h> #include <linux/vt_kern.h> #include <linux/workqueue.h> -#include <linux/kexec.h> #include <linux/hrtimer.h> #include <linux/oom.h> @@ -124,9 +123,12 @@ static struct sysrq_key_op sysrq_unraw_op = { static void sysrq_handle_crash(int key, struct tty_struct *tty) { char *killer = NULL; + + panic_on_oops = 1; /* force panic */ + wmb(); *killer = 1; } -static struct sysrq_key_op sysrq_crashdump_op = { +static struct sysrq_key_op sysrq_crash_op = { .handler = sysrq_handle_crash, .help_msg = "Crash", .action_msg = "Trigger a crash", @@ -401,7 +403,7 @@ static struct sysrq_key_op *sysrq_key_table[36] = { */ NULL, /* a */ &sysrq_reboot_op, /* b */ - &sysrq_crashdump_op, /* c & ibm_emac driver debug */ + &sysrq_crash_op, /* c & ibm_emac driver debug */ &sysrq_showlocks_op, /* d */ &sysrq_term_op, /* e */ &sysrq_moom_op, /* f */ diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index ccdd828adcef..b0603b2e5684 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -26,7 +26,6 @@ #include <linux/poll.h> #include <linux/mutex.h> #include <linux/spinlock.h> -#include <linux/smp_lock.h> #include "tpm.h" diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c index 810ee25d66a4..3108991c5c8b 100644 --- a/drivers/char/tty_buffer.c +++ b/drivers/char/tty_buffer.c @@ -462,6 +462,19 @@ static void flush_to_ldisc(struct work_struct *work) } /** + * tty_flush_to_ldisc + * @tty: tty to push + * + * Push the terminal flip buffers to the line discipline. + * + * Must not be called from IRQ context. + */ +void tty_flush_to_ldisc(struct tty_struct *tty) +{ + flush_to_ldisc(&tty->buf.work.work); +} + +/** * tty_flip_buffer_push - terminal * @tty: tty to push * diff --git a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c index b24f6c6a1ea3..ad6ba4ed2808 100644 --- a/drivers/char/tty_ioctl.c +++ b/drivers/char/tty_ioctl.c @@ -21,7 +21,6 @@ #include <linux/module.h> #include <linux/bitops.h> #include <linux/mutex.h> -#include <linux/smp_lock.h> #include <asm/io.h> #include <asm/uaccess.h> diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c index 913aa8d3f1c5..acd76b767d4c 100644 --- a/drivers/char/tty_ldisc.c +++ b/drivers/char/tty_ldisc.c @@ -21,7 +21,6 @@ #include <linux/proc_fs.h> #include <linux/init.h> #include <linux/module.h> -#include <linux/smp_lock.h> #include <linux/device.h> #include <linux/wait.h> #include <linux/bitops.h> @@ -791,17 +790,20 @@ void tty_ldisc_hangup(struct tty_struct *tty) * N_TTY. */ if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) { - /* Avoid racing set_ldisc */ + /* Avoid racing set_ldisc or tty_ldisc_release */ mutex_lock(&tty->ldisc_mutex); - /* Switch back to N_TTY */ - tty_ldisc_halt(tty); - tty_ldisc_wait_idle(tty); - tty_ldisc_reinit(tty); - /* At this point we have a closed ldisc and we want to - reopen it. We could defer this to the next open but - it means auditing a lot of other paths so this is a FIXME */ - WARN_ON(tty_ldisc_open(tty, tty->ldisc)); - tty_ldisc_enable(tty); + if (tty->ldisc) { /* Not yet closed */ + /* Switch back to N_TTY */ + tty_ldisc_halt(tty); + tty_ldisc_wait_idle(tty); + tty_ldisc_reinit(tty); + /* At this point we have a closed ldisc and we want to + reopen it. We could defer this to the next open but + it means auditing a lot of other paths so this is + a FIXME */ + WARN_ON(tty_ldisc_open(tty, tty->ldisc)); + tty_ldisc_enable(tty); + } mutex_unlock(&tty->ldisc_mutex); tty_reset_termios(tty); } @@ -866,6 +868,7 @@ void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty) tty_ldisc_wait_idle(tty); + mutex_lock(&tty->ldisc_mutex); /* * Now kill off the ldisc */ @@ -876,6 +879,7 @@ void tty_ldisc_release(struct tty_struct *tty, struct tty_struct *o_tty) /* Ensure the next open requests the N_TTY ldisc */ tty_set_termios_ldisc(tty, N_TTY); + mutex_unlock(&tty->ldisc_mutex); /* This will need doing differently if we need to lock */ if (o_tty) diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c index 4e862a75f7ff..9769b1149f76 100644 --- a/drivers/char/tty_port.c +++ b/drivers/char/tty_port.c @@ -267,7 +267,7 @@ int tty_port_block_til_ready(struct tty_port *port, if (retval == 0) port->flags |= ASYNC_NORMAL_ACTIVE; spin_unlock_irqrestore(&port->lock, flags); - return 0; + return retval; } EXPORT_SYMBOL(tty_port_block_til_ready); diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index d94d25c12aa8..c1791a63d99d 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -495,11 +495,15 @@ void vcs_remove_sysfs(int index) int __init vcs_init(void) { + unsigned int i; + if (register_chrdev(VCS_MAJOR, "vcs", &vcs_fops)) panic("unable to get major %d for vcs device", VCS_MAJOR); vc_class = class_create(THIS_MODULE, "vc"); device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); device_create(vc_class, NULL, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); + for (i = 0; i < MIN_NR_CONSOLES; i++) + vcs_make_sysfs(i); return 0; } diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c deleted file mode 100644 index e69de29bb2d1..000000000000 --- a/drivers/char/vr41xx_giu.c +++ /dev/null diff --git a/drivers/char/vt.c b/drivers/char/vt.c index d9113b4c76e3..404f4c1ee431 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -89,6 +89,7 @@ #include <linux/mutex.h> #include <linux/vt_kern.h> #include <linux/selection.h> +#include <linux/smp_lock.h> #include <linux/tiocl.h> #include <linux/kbd_kern.h> #include <linux/consolemap.h> @@ -769,14 +770,12 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */ visual_init(vc, currcons, 1); if (!*vc->vc_uni_pagedir_loc) con_set_default_unimap(vc); - if (!vc->vc_kmalloced) - vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL); + vc->vc_screenbuf = kmalloc(vc->vc_screenbuf_size, GFP_KERNEL); if (!vc->vc_screenbuf) { kfree(vc); vc_cons[currcons].d = NULL; return -ENOMEM; } - vc->vc_kmalloced = 1; vc_init(vc, vc->vc_rows, vc->vc_cols, 1); vcs_make_sysfs(currcons); atomic_notifier_call_chain(&vt_notifier_list, VT_ALLOCATE, ¶m); @@ -912,10 +911,8 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc, if (new_scr_end > new_origin) scr_memsetw((void *)new_origin, vc->vc_video_erase_char, new_scr_end - new_origin); - if (vc->vc_kmalloced) - kfree(vc->vc_screenbuf); + kfree(vc->vc_screenbuf); vc->vc_screenbuf = newscreen; - vc->vc_kmalloced = 1; vc->vc_screenbuf_size = new_screen_size; set_origin(vc); @@ -994,8 +991,7 @@ void vc_deallocate(unsigned int currcons) vc->vc_sw->con_deinit(vc); put_pid(vc->vt_pid); module_put(vc->vc_sw->owner); - if (vc->vc_kmalloced) - kfree(vc->vc_screenbuf); + kfree(vc->vc_screenbuf); if (currcons >= MIN_NR_CONSOLES) kfree(vc); vc_cons[currcons].d = NULL; @@ -2880,7 +2876,6 @@ static int __init con_init(void) INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK); visual_init(vc, currcons, 1); vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT); - vc->vc_kmalloced = 0; vc_init(vc, vc->vc_rows, vc->vc_cols, currcons || !vc->vc_sw->con_save_screen); } diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c index 7539bed0f7e0..95189f288f8c 100644 --- a/drivers/char/vt_ioctl.c +++ b/drivers/char/vt_ioctl.c @@ -25,6 +25,7 @@ #include <linux/console.h> #include <linux/consolemap.h> #include <linux/signal.h> +#include <linux/smp_lock.h> #include <linux/timex.h> #include <asm/io.h> |