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authorPeter Hurley <peter@hurleysoftware.com>2013-12-02 19:56:03 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-09 01:56:05 +0100
commit82f91fe092b6eacd82e976b8955443f9fd97d07e (patch)
tree42b967f676e8054a222e58521024babe250b88c9 /drivers/tty/n_r3964.c
parentn_tty: Only perform wakeups for waiters (diff)
downloadlinux-82f91fe092b6eacd82e976b8955443f9fd97d07e.tar.xz
linux-82f91fe092b6eacd82e976b8955443f9fd97d07e.zip
tty: Always handle NULL flag ptr
Most line disciplines already handle the undocumented NULL flag ptr in their .receive_buf method; however, several don't. Document the NULL flag ptr, and correct handling in the N_MOUSE, N_GSM0710 and N_R394 line disciplines. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_r3964.c')
-rw-r--r--drivers/tty/n_r3964.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/n_r3964.c b/drivers/tty/n_r3964.c
index 1e6405070ce6..8b157d68a03e 100644
--- a/drivers/tty/n_r3964.c
+++ b/drivers/tty/n_r3964.c
@@ -1244,7 +1244,7 @@ static void r3964_receive_buf(struct tty_struct *tty, const unsigned char *cp,
{
struct r3964_info *pInfo = tty->disc_data;
const unsigned char *p;
- char *f, flags = 0;
+ char *f, flags = TTY_NORMAL;
int i;
for (i = count, p = cp, f = fp; i; i--, p++) {