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authorJakub Kicinski <kuba@kernel.org>2023-11-30 16:10:40 -0800
committerJakub Kicinski <kuba@kernel.org>2023-11-30 16:11:19 -0800
commit975f2d73a99f35b57ffa2ad7bff8562225cdcfcb (patch)
treed6c9ce96cfd889281e003a310c79d5a12a3cf924 /fs/tracefs/inode.c
parentf9893fdac319bb2817e5e7818870264d7fb2eb02 (diff)
parent6172a5180fcc65170bfa2d49e55427567860f2a7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/tracefs/inode.c')
-rw-r--r--fs/tracefs/inode.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c
index 5b54948514fe..ae648deed019 100644
--- a/fs/tracefs/inode.c
+++ b/fs/tracefs/inode.c
@@ -509,20 +509,15 @@ struct dentry *eventfs_start_creating(const char *name, struct dentry *parent)
struct dentry *dentry;
int error;
+ /* Must always have a parent. */
+ if (WARN_ON_ONCE(!parent))
+ return ERR_PTR(-EINVAL);
+
error = simple_pin_fs(&trace_fs_type, &tracefs_mount,
&tracefs_mount_count);
if (error)
return ERR_PTR(error);
- /*
- * If the parent is not specified, we create it in the root.
- * We need the root dentry to do this, which is in the super
- * block. A pointer to that is in the struct vfsmount that we
- * have around.
- */
- if (!parent)
- parent = tracefs_mount->mnt_root;
-
if (unlikely(IS_DEADDIR(parent->d_inode)))
dentry = ERR_PTR(-ENOENT);
else