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path: root/drivers/char/synclink_gt.c
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Diffstat (limited to 'drivers/char/synclink_gt.c')
-rw-r--r--drivers/char/synclink_gt.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index fef80cfcab5c..e63b830c86cc 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -691,8 +691,10 @@ static int open(struct tty_struct *tty, struct file *filp)
if (info->port.count == 1) {
/* 1st open on this device, init hardware */
retval = startup(info);
- if (retval < 0)
+ if (retval < 0) {
+ mutex_unlock(&info->port.mutex);
goto cleanup;
+ }
}
mutex_unlock(&info->port.mutex);
retval = block_til_ready(tty, filp, info);