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SubjectRe: [PATCH] Bluetooth: Add NULL check for tiocmget() and tiocmset()
On Sun, Jan 27, 2019 at 10:59:13PM -0800, Myungho Jung wrote:
> tiocmget() and tiocmset() operations are optional and some tty drivers
> like pty miss the operations. We need NULL check before referencing
> them.

Good catch. I suggest splitting these fixes in two separate patches
(after addressing Marcel's comments).

Don't forget to CC stable and add a Fixes-tag for each, as we we want to
have this backported to stable.

> Reported-by:

Actually, these two bugs were never reported by sysbot AFAIKT so no need
to give credit to anyone else here.

> Signed-off-by: Myungho Jung <>
> ---
> drivers/bluetooth/hci_ath.c | 13 ++++++++-----
> drivers/bluetooth/hci_ldisc.c | 5 +++++
> 2 files changed, 13 insertions(+), 5 deletions(-)


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