summaryrefslogtreecommitdiff
path: root/include/linux/tty.h
diff options
context:
space:
mode:
authorPeter Hurley <peter@hurleysoftware.com>2013-06-15 09:36:15 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-23 16:47:10 -0700
commita7c8d58c79853adeebf0a1ddc9c63e433b4d97f1 (patch)
tree328d40837fb13c7856d3aae2be663093fa6278e0 /include/linux/tty.h
parent47aa658a015440906def231f54685c4d5d49dc38 (diff)
tty: Fix unsafe vt paste_selection()
Convert the tty_buffer_flush() exclusion mechanism to a public interface - tty_buffer_lock/unlock_exclusive() - and use the interface to safely write the paste selection to the line discipline. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/tty.h')
-rw-r--r--include/linux/tty.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 991575fe3451..7a9a3b0a6b5a 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -67,8 +67,8 @@ static inline char *flag_buf_ptr(struct tty_buffer *b, int ofs)
struct tty_bufhead {
struct tty_buffer *head; /* Queue head */
struct work_struct work;
- struct mutex flush_mutex;
- unsigned int flushpending:1;
+ struct mutex lock;
+ atomic_t priority;
struct tty_buffer sentinel;
struct llist_head free; /* Free queue head */
atomic_t memory_used; /* In-use buffers excluding free list */