diff options
Diffstat (limited to '0008-tty-Handle-problem-if-line-discipline-does-not-have-.patch')
| -rw-r--r-- | 0008-tty-Handle-problem-if-line-discipline-does-not-have-.patch | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/0008-tty-Handle-problem-if-line-discipline-does-not-have-.patch b/0008-tty-Handle-problem-if-line-discipline-does-not-have-.patch deleted file mode 100644 index acd33e2ef78951..00000000000000 --- a/0008-tty-Handle-problem-if-line-discipline-does-not-have-.patch +++ /dev/null @@ -1,29 +0,0 @@ -From 19e08b371b6795e009f09cdcf30f76ad0f1db037 Mon Sep 17 00:00:00 2001 -From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -Date: Sun, 20 Jan 2019 10:46:58 +0100 -Subject: [PATCH 08/11] tty: Handle problem if line discipline does not have - receive_buf - -Some tty line disciplines do not have a receive buf callback, so -properly check for that before calling it. If they do not have this -callback, just eat the character quietly, as we can't fail this call. - -Reported-by: Jann Horn <jannh@google.com> -Cc: stable <stable@vger.kernel.org> -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/tty/tty_io.c | 3 ++- - 1 file changed, 2 insertions(+), 1 deletion(-) - ---- a/drivers/tty/tty_io.c -+++ b/drivers/tty/tty_io.c -@@ -2189,7 +2189,8 @@ static int tiocsti(struct tty_struct *tt - ld = tty_ldisc_ref_wait(tty); - if (!ld) - return -EIO; -- ld->ops->receive_buf(tty, &ch, &mbz, 1); -+ if (ld->ops->receive_buf) -+ ld->ops->receive_buf(tty, &ch, &mbz, 1); - tty_ldisc_deref(ld); - return 0; - } |