this lock is no longer needed.
Signed-off-by: Richard Weinberger <[email protected]>
---
arch/um/drivers/line.c | 6 ------
1 files changed, 0 insertions(+), 6 deletions(-)
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 95d5e78..555ccfc 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -382,8 +382,6 @@ int setup_one_line(struct line *lines, int n, char *init,
struct tty_driver *driver = line->driver->driver;
int err = -EINVAL;
- mutex_lock(&line->count_lock);
-
if (line->port.count) {
*error_out = "Device is already open";
goto out;
@@ -425,7 +423,6 @@ int setup_one_line(struct line *lines, int n, char *init,
}
}
out:
- mutex_unlock(&line->count_lock);
return err;
}
@@ -513,7 +510,6 @@ int line_get_config(char *name, struct line *lines,
unsigned int num, char *str,
line = &lines[dev];
- mutex_lock(&line->count_lock);
if (!line->valid)
CONFIG_CHUNK(str, size, n, "none", 1);
else {
@@ -525,7 +521,6 @@ int line_get_config(char *name, struct line *lines,
unsigned int num, char *str,
tty_kref_put(tty);
}
}
- mutex_unlock(&line->count_lock);
return n;
}
@@ -578,7 +573,6 @@ int register_lines(struct line_driver *line_driver,
tty_port_init(&lines[i].port);
lines[i].port.ops = &line_port_ops;
spin_lock_init(&lines[i].lock);
- mutex_init(&lines[i].count_lock);
lines[i].driver = line_driver;
INIT_LIST_HEAD(&lines[i].chan_list);
}
--
1.7.7.3
------------------------------------------------------------------------------
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