diff options
Diffstat (limited to 'drivers/char/selection.c')
| -rw-r--r-- | drivers/char/selection.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/char/selection.c b/drivers/char/selection.c index f97b9e848064..6e79340d732f 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) == ' ') @@ -312,6 +313,8 @@ int paste_selection(struct tty_struct *tty) struct tty_ldisc *ld; DECLARE_WAITQUEUE(wait, current); + lock_kernel(); + acquire_console_sem(); poke_blanked_console(); release_console_sem(); @@ -335,5 +338,6 @@ int paste_selection(struct tty_struct *tty) __set_current_state(TASK_RUNNING); tty_ldisc_deref(ld); + unlock_kernel(); return 0; } |