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author | David S. Miller <davem@davemloft.net> | 2008-06-09 13:49:22 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2008-06-16 13:19:52 -0700 |
commit | 53bb30ecca7c5fa33efd9bec02396a2f3d539183 (patch) | |
tree | 09c706dbdaaebb2858be5bb25d73af05695c8bbc | |
parent | fdca786572904fdf11c489143781beec0024d5c5 (diff) | |
download | lwn-53bb30ecca7c5fa33efd9bec02396a2f3d539183.tar.gz lwn-53bb30ecca7c5fa33efd9bec02396a2f3d539183.zip |
sunhv: Fix locking in non-paged I/O case.
[ upstream commit: 3651751fff44ede58f65cbb1e39242139ead251b ]
This causes the lock to be taken twice, thus resulting in
a deadlock.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
-rw-r--r-- | drivers/serial/sunhv.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c index 145c0281495d..2847336742d7 100644 --- a/drivers/serial/sunhv.c +++ b/drivers/serial/sunhv.c @@ -499,7 +499,6 @@ static void sunhv_console_write_bychar(struct console *con, const char *s, unsig } else spin_lock(&port->lock); - spin_lock_irqsave(&port->lock, flags); for (i = 0; i < n; i++) { if (*s == '\n') sunhv_console_putchar(port, '\r'); |