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authorAmir Goldstein <amir73il@gmail.com>2020-03-19 17:10:12 +0200
committerJan Kara <jack@suse.cz>2020-03-23 18:19:06 +0100
commitaa93bdc5500cc93ba31afeda1a61610d117947ad (patch)
treeea5f38b9d49a9e1b30fd02fb1f1a84c393e907e2 /kernel/audit_watch.c
parenta1aae0570a2b806937120921db2c5d3100ca55fc (diff)
downloadlinux-aa93bdc5500cc93ba31afeda1a61610d117947ad.tar.bz2
fsnotify: use helpers to access data by data_type
Create helpers to access path and inode from different data types. Link: https://lore.kernel.org/r/20200319151022.31456-5-amir73il@gmail.com Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'kernel/audit_watch.c')
-rw-r--r--kernel/audit_watch.c16
1 files changed, 2 insertions, 14 deletions
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 4508d5e0cf69..dcfbb44c6720 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -473,25 +473,13 @@ static int audit_watch_handle_event(struct fsnotify_group *group,
struct fsnotify_iter_info *iter_info)
{
struct fsnotify_mark *inode_mark = fsnotify_iter_inode_mark(iter_info);
- const struct inode *inode;
+ const struct inode *inode = fsnotify_data_inode(data, data_type);
struct audit_parent *parent;
parent = container_of(inode_mark, struct audit_parent, mark);
BUG_ON(group != audit_watch_group);
-
- switch (data_type) {
- case (FSNOTIFY_EVENT_PATH):
- inode = d_backing_inode(((const struct path *)data)->dentry);
- break;
- case (FSNOTIFY_EVENT_INODE):
- inode = (const struct inode *)data;
- break;
- default:
- BUG();
- inode = NULL;
- break;
- }
+ WARN_ON(!inode);
if (mask & (FS_CREATE|FS_MOVED_TO) && inode)
audit_update_watch(parent, dname, inode->i_sb->s_dev, inode->i_ino, 0);