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authorTilman Schmidt <tilman@imap.cc>2007-02-12 00:52:24 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:29 -0800
commit7435f50e1261f569c660efb4ae52e8bc21a92cbd (patch)
tree9ea297ea0b9a332ab9538d5cc986c83f328c5c22 /drivers/isdn/gigaset/interface.c
parent163da958ba5282cbf85e8b3dc08e4f51f8b01c5e (diff)
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[PATCH] drivers/isdn/gigaset: reduce mutex scope
Do not lock the cardstate structure mutex earlier than necessary. Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/isdn/gigaset/interface.c')
-rw-r--r--drivers/isdn/gigaset/interface.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index f13de20947e0..eb50f3dab5f7 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -615,6 +615,8 @@ void gigaset_if_init(struct cardstate *cs)
return;
tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
+
+ mutex_lock(&cs->mutex);
cs->tty_dev = tty_register_device(drv->tty, cs->minor_index, NULL);
if (!IS_ERR(cs->tty_dev))
@@ -623,6 +625,7 @@ void gigaset_if_init(struct cardstate *cs)
warn("could not register device to the tty subsystem");
cs->tty_dev = NULL;
}
+ mutex_unlock(&cs->mutex);
}
void gigaset_if_free(struct cardstate *cs)