diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-20 20:24:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-20 20:25:03 +0200 |
| commit | bfefb7a0c6e08736f2d5917c468467f134bf28bb (patch) | |
| tree | 7aa7084114dc083fe5b4d7b532901bdeb67188e7 /drivers/char/pty.c | |
| parent | 8d0cc631f6dd0a9283ceb7d61d8b85ecbcd355ea (diff) | |
| parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
Merge branch 'linus' into x86/urgent
Merge reason: Bring in changes that the next patch will depend on.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/char/pty.c')
| -rw-r--r-- | drivers/char/pty.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/pty.c b/drivers/char/pty.c index b33d6688e91..53761cefa91 100644 --- a/drivers/char/pty.c +++ b/drivers/char/pty.c @@ -120,8 +120,10 @@ static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c) /* Stuff the data into the input queue of the other end */ c = tty_insert_flip_string(to, buf, c); /* And shovel */ - tty_flip_buffer_push(to); - tty_wakeup(tty); + if (c) { + tty_flip_buffer_push(to); + tty_wakeup(tty); + } } return c; } |