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authorLeon Romanovsky <leon@kernel.org>2023-12-12 09:04:59 +0200
committerLeon Romanovsky <leon@kernel.org>2023-12-12 09:04:59 +0200
commitafcda192dbab7df48dfedb1813a6d03bf6bd4996 (patch)
tree270d0e74520e0f8d17da34bbdd8d91dec47f3585 /fs/tracefs/inode.c
parent07f830ae4913d0b986c8c0ff88a7d597948b9bd8 (diff)
parentd727d27db536faea7178290c677cc0567f647231 (diff)
Expose c0 and SW encap ICM for RDMA
These two series from Mark and Shun extend RDMA mlx5 API. Mark's series provides c0 register used to match egress traffic sent by local device. Shun's series adds new type for ICM area. Link: https://lore.kernel.org/all/cover.1701871118.git.leon@kernel.org Signed-off-by: Leon Romanovsky <leon@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