diff options
| author | David S. Miller <davem@davemloft.net> | 2010-08-17 01:09:34 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-08-17 01:09:34 +0400 |
| commit | 300a103d1504134f8c4a7e831f995e917ea9b1e4 (patch) | |
| tree | 7f94d5fff513d132bd0b57a9e3bd96c4cc80d707 /drivers/char/selection.c | |
| parent | 0a492896ac07336c98f37ad7fab4a6387b6ada78 (diff) | |
| parent | da5cabf80e2433131bf0ed8993abc0f7ea618c73 (diff) | |
| download | linux-300a103d1504134f8c4a7e831f995e917ea9b1e4.tar.xz | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/char/selection.c')
| -rw-r--r-- | drivers/char/selection.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/char/selection.c b/drivers/char/selection.c index f97b9e848064..ebae344ce910 100644 --- a/drivers/char/selection.c +++ b/drivers/char/selection.c @@ -26,6 +26,7 @@ #include <linux/selection.h> #include <linux/tiocl.h> #include <linux/console.h> +#include <linux/smp_lock.h> /* Don't take this from <ctype.h>: 011-015 on the screen aren't spaces */ #define isspace(c) ((c) == ' ') @@ -312,12 +313,20 @@ int paste_selection(struct tty_struct *tty) struct tty_ldisc *ld; DECLARE_WAITQUEUE(wait, current); + /* always called with BTM from vt_ioctl */ + WARN_ON(!tty_locked()); + acquire_console_sem(); poke_blanked_console(); release_console_sem(); - ld = tty_ldisc_ref_wait(tty); - + ld = tty_ldisc_ref(tty); + if (!ld) { + tty_unlock(); + ld = tty_ldisc_ref_wait(tty); + tty_lock(); + } + add_wait_queue(&vc->paste_wait, &wait); while (sel_buffer && sel_buffer_lth > pasted) { set_current_state(TASK_INTERRUPTIBLE); |