diff options
| author | Rich Felker <dalias@libc.org> | 2016-01-08 15:33:50 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 01:56:43 -0500 |
| commit | 9e370d2c9f59a63dda0ced3ecd1b55498d97c449 (patch) | |
| tree | 12c0f8218b6e7f8c29648cc9ab2552be3e23a7bb /drivers/tty/serial/omap-serial.c | |
| parent | 7cdcc29e4919dc31f494eaf05e46005c28efe832 (diff) | |
serial-uartlite: fix missing locking in isr
The uartlite driver suffers from missing/duplicate/corrupted character
data when the interrupt handler runs concurrently with access to the
device from another cpu. Take the port spinlock to exclude concurrent
access.
Signed-off-by: Rich Felker <dalias@libc.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
0 files changed, 0 insertions, 0 deletions