diff options
author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-07-15 14:17:33 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-11-21 10:06:40 +0100 |
commit | 4e90b688013526340fef9f11ae0184888fd563d1 (patch) | |
tree | 4b3d75952ae8da9cff08b02b5ef00fbd37cf6af7 /drivers | |
parent | a395f7a66eec5db41f8860427f955d4cdabb1063 (diff) |
sparc: serial: sunhv: fix a double lock bug
[ Upstream commit 344e3c7734d5090b148c19ac6539b8947fed6767 ]
We accidentally take the "port->lock" twice in a row. This old code
was supposed to be deleted.
Fixes: e58e241c1788 ('sparc: serial: Clean up the locking for -rt')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/tty/serial/sunhv.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c index ca0d3802f2af..4e603d060e80 100644 --- a/drivers/tty/serial/sunhv.c +++ b/drivers/tty/serial/sunhv.c @@ -490,12 +490,6 @@ static void sunhv_console_write_bychar(struct console *con, const char *s, unsig locked = spin_trylock_irqsave(&port->lock, flags); else spin_lock_irqsave(&port->lock, flags); - if (port->sysrq) { - locked = 0; - } else if (oops_in_progress) { - locked = spin_trylock(&port->lock); - } else - spin_lock(&port->lock); for (i = 0; i < n; i++) { if (*s == '\n') |