3.16.35-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 210bd104c6acd31c3c6b8b075b3f12d4a9f6b60d upstream.
We have to unlock before returning -ENOMEM.
Fixes: 8dfbcc4351a0 ('[media] xc2028: avoid use after free')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
drivers/media/tuners/tuner-xc2028.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
--- a/drivers/media/tuners/tuner-xc2028.c
+++ b/drivers/media/tuners/tuner-xc2028.c
@@ -1407,8 +1407,10 @@ static int xc2028_set_config(struct dvb_
memcpy(&priv->ctrl, p, sizeof(priv->ctrl));
if (p->fname) {
priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL);
- if (priv->ctrl.fname == NULL)
- return -ENOMEM;
+ if (priv->ctrl.fname == NULL) {
+ rc = -ENOMEM;
+ goto unlock;
+ }
}
/*
@@ -1440,6 +1442,7 @@ static int xc2028_set_config(struct dvb_
} else
priv->state = XC2028_WAITING_FIRMWARE;
}
+unlock:
mutex_unlock(&priv->lock);
return rc;
--
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