From: Dan Carpenter <error27@gmail.com>
To: kernel-janitors@vger.kernel.org
Subject: [patch] synclink: add mutex_unlock() on error path
Date: Wed, 11 Aug 2010 18:01:46 +0000 [thread overview]
Message-ID: <20100811180146.GB645@bicker> (raw)
There is a path which still holds its mutex here.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index fef80cf..e63b830 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);
reply other threads:[~2010-08-11 18:01 UTC|newest]
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