From: Andreas Gruenbacher <agruen@xxxxxxx>
Code cleanup which does the fd creation work seperately from the userspace
metadata creation. It fits better with the other code.
Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxx>
Signed-off-by: Eric Paris <eparis@xxxxxxxxxx>
---
fs/notify/fanotify/fanotify_user.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index c5f59d8..7646111 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -44,17 +44,14 @@ static struct fsnotify_event *get_one_event(struct fsnotify_group *group,
return fsnotify_remove_notify_event(group);
}
-static int create_and_fill_fd(struct fsnotify_group *group,
- struct fanotify_event_metadata *metadata,
- struct fsnotify_event *event)
+static int create_fd(struct fsnotify_group *group, struct fsnotify_event *event)
{
int client_fd, err;
struct dentry *dentry;
struct vfsmount *mnt;
struct file *new_file;
- pr_debug("%s: group=%p metadata=%p event=%p\n", __func__, group,
- metadata, event);
+ pr_debug("%s: group=%p event=%p\n", __func__, group, event);
client_fd = get_unused_fd();
if (client_fd < 0)
@@ -98,9 +95,7 @@ static int create_and_fill_fd(struct fsnotify_group *group,
fd_install(client_fd, new_file);
}
- metadata->fd = client_fd;
-
- return 0;
+ return client_fd;
}
static ssize_t fill_event_metadata(struct fsnotify_group *group,
@@ -113,9 +108,9 @@ static ssize_t fill_event_metadata(struct fsnotify_group *group,
metadata->event_len = FAN_EVENT_METADATA_LEN;
metadata->vers = FANOTIFY_METADATA_VERSION;
metadata->mask = fanotify_outgoing_mask(event->mask);
+ metadata->fd = create_fd(group, event);
- return create_and_fill_fd(group, metadata, event);
-
+ return metadata->fd;
}
static ssize_t copy_event_to_user(struct fsnotify_group *group,
@@ -128,7 +123,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group,
pr_debug("%s: group=%p event=%p\n", __func__, group, event);
ret = fill_event_metadata(group, &fanotify_event_metadata, event);
- if (ret)
+ if (ret < 0)
return ret;
if (copy_to_user(buf, &fanotify_event_metadata, FAN_EVENT_METADATA_LEN))
--
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