diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 7 | ||||
| -rw-r--r-- | kernel/kfifo.c | 3 |
2 files changed, 7 insertions, 3 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1fbcc748044..aa3bee56644 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2936,14 +2936,17 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry, for_each_subsys(root, ss) { struct cgroup_subsys_state *css = ss->create(ss, cgrp); + if (IS_ERR(css)) { err = PTR_ERR(css); goto err_destroy; } init_cgroup_css(css, ss, cgrp); - if (ss->use_id) - if (alloc_css_id(ss, parent, cgrp)) + if (ss->use_id) { + err = alloc_css_id(ss, parent, cgrp); + if (err) goto err_destroy; + } /* At error, ->destroy() callback has to free assigned ID. */ } diff --git a/kernel/kfifo.c b/kernel/kfifo.c index 32c5c15d750..498cabba225 100644 --- a/kernel/kfifo.c +++ b/kernel/kfifo.c @@ -349,6 +349,7 @@ EXPORT_SYMBOL(__kfifo_from_user_n); * @fifo: the fifo to be used. * @from: pointer to the data to be added. * @len: the length of the data to be added. + * @total: the actual returned data length. * * This function copies at most @len bytes from the @from into the * FIFO depending and returns -EFAULT/0. @@ -399,7 +400,7 @@ EXPORT_SYMBOL(__kfifo_to_user_n); * @fifo: the fifo to be used. * @to: where the data must be copied. * @len: the size of the destination buffer. - @ @lenout: pointer to output variable with copied data + * @lenout: pointer to output variable with copied data * * This function copies at most @len bytes from the FIFO into the * @to buffer and 0 or -EFAULT. |