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authorAl Viro <viro@zeniv.linux.org.uk>2021-01-29 17:32:40 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2021-03-08 10:24:10 -0500
commit4313e3523373f6b313d4218b51418f53475bcce5 (patch)
tree3c17243fc2f6ce7de7ca599b2a705ba595dcff65 /fs/ecryptfs/inode.c
parenta38fd8748464831584a19438cbb3082b5a2dab15 (diff)
ecryptfs: get rid of pointless dget/dput in ->symlink() and ->link()
calls in ->unlink(), ->rmdir() and ->rename() make sense - we want to prevent the underlying dentries going negative there. In ->symlink() and ->link() they are absolutely pointless. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ecryptfs/inode.c')
-rw-r--r--fs/ecryptfs/inode.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 18e9285fbb4c..689aa493e587 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -437,8 +437,6 @@ static int ecryptfs_link(struct dentry *old_dentry, struct inode *dir,
file_size_save = i_size_read(d_inode(old_dentry));
lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry);
lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry);
- dget(lower_old_dentry);
- dget(lower_new_dentry);
lower_dir_dentry = lock_parent(lower_new_dentry);
rc = vfs_link(lower_old_dentry, &init_user_ns,
d_inode(lower_dir_dentry), lower_new_dentry, NULL);
@@ -454,8 +452,6 @@ static int ecryptfs_link(struct dentry *old_dentry, struct inode *dir,
i_size_write(d_inode(new_dentry), file_size_save);
out_lock:
unlock_dir(lower_dir_dentry);
- dput(lower_new_dentry);
- dput(lower_old_dentry);
return rc;
}
@@ -476,7 +472,6 @@ static int ecryptfs_symlink(struct user_namespace *mnt_userns,
struct ecryptfs_mount_crypt_stat *mount_crypt_stat = NULL;
lower_dentry = ecryptfs_dentry_to_lower(dentry);
- dget(lower_dentry);
lower_dir_dentry = lock_parent(lower_dentry);
mount_crypt_stat = &ecryptfs_superblock_to_private(
dir->i_sb)->mount_crypt_stat;
@@ -498,7 +493,6 @@ static int ecryptfs_symlink(struct user_namespace *mnt_userns,
fsstack_copy_inode_size(dir, d_inode(lower_dir_dentry));
out_lock:
unlock_dir(lower_dir_dentry);
- dput(lower_dentry);
if (d_really_is_negative(dentry))
d_drop(dentry);
return rc;