diff options
| author |   Alan Cox <alan@redhat.com> | 2009-01-02 13:44:04 +0000 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 10:19:37 -0800 |
| commit | 4bd43f2c31848d751f63e8753cd2788d48fb5f30 (patch) | |
| tree | f88e890bbee89421271437761024130e0c831853 /include/linux/8250_pci.h | |
| parent | n_tty: Output bells immediately on a full buffer (diff) | |
| download | wireguard-linux-4bd43f2c31848d751f63e8753cd2788d48fb5f30.tar.xz wireguard-linux-4bd43f2c31848d751f63e8753cd2788d48fb5f30.zip | |
tty: Fix close races in USB serial
USB serial has always had races where the tty port usage count can hit zero
during a receive event. The internal locking is a mutex so we can't use
that in the IRQ handlers.
With krefs we can tackle this differently but we still need to be careful.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/8250_pci.h')
0 files changed, 0 insertions, 0 deletions