[PATCH] tidy up chrdev_open
Use a single goto label for chrdev_put + return error cases.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/char_dev.c b/fs/char_dev.c
index 262fa10..700697a 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -386,15 +386,22 @@
cdev_put(new);
if (ret)
return ret;
+
+ ret = -ENXIO;
filp->f_op = fops_get(p->ops);
- if (!filp->f_op) {
- cdev_put(p);
- return -ENXIO;
- }
- if (filp->f_op->open)
+ if (!filp->f_op)
+ goto out_cdev_put;
+
+ if (filp->f_op->open) {
ret = filp->f_op->open(inode,filp);
- if (ret)
- cdev_put(p);
+ if (ret)
+ goto out_cdev_put;
+ }
+
+ return 0;
+
+ out_cdev_put:
+ cdev_put(p);
return ret;
}