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| author |   Jaejoong Kim <climbbb.kim@gmail.com> | 2018-06-21 17:45:05 +0900 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-06-25 21:58:26 +0800 |
| commit | cae2bc768d176bfbdad7035bbcc3cdc973eb7984 (patch) | |
| tree | 09cd58c17e3575c3a4698271c0f9e403591cc050 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | USB: mon: use ktime_get_real_ts64 instead of getnstimeofday64 (diff) | |
| download | linux-dev-cae2bc768d176bfbdad7035bbcc3cdc973eb7984.tar.xz linux-dev-cae2bc768d176bfbdad7035bbcc3cdc973eb7984.zip | |
usb: cdc-acm: Decrement tty port's refcount if probe() fail
The cdc-acm driver does not have a refcount of itself, but uses a
tty_port's refcount. That is, if the refcount of tty_port is '0', we
can clean up the cdc-acm driver by calling the .destruct()
callback function of struct tty_port_operations.
The problem is the destruct() callback function is not called if
the probe() fails, because tty_port's refcount is not zero. So,
add tty_port_put() when probe() fails.
Signed-off-by: Jaejoong Kim <climbbb.kim@gmail.com>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions