[PATCH] Char: cyclades, fix deadlock

An omitted unlock.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 3ffa0807754c34313f9288299552f97df2c8468f..e4e0ccb466733c7872b835680a3c6138b6e2e2ff 100644 (file)
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -1102,6 +1102,7 @@ static void cyy_intr_chip(struct cyclades_card *cinfo, int chip,
 
                                if (data & info->ignore_status_mask) {
                                        info->icount.rx++;
+                                       spin_unlock(&cinfo->card_lock);
                                        return;
                                }
                                if (tty_buffer_request_room(tty, 1)) {