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authorEric Biggers <ebiggers@google.com>2020-12-02 18:20:36 -0800
committerEric Biggers <ebiggers@google.com>2020-12-02 18:25:01 -0800
commit91d0d89241b4201d612bfac623199c84363286e9 (patch)
treeb9c7e053569b97dc2d2a4af5dca829165ddd0ccb /fs/ext4/namei.c
parenta302052b9586f2fdf8c3a7d9b907e71b25d7d463 (diff)
downloadlinux-91d0d89241b4201d612bfac623199c84363286e9.tar.bz2
ext4: don't call fscrypt_get_encryption_info() from dx_show_leaf()
The call to fscrypt_get_encryption_info() in dx_show_leaf() is too low in the call tree; fscrypt_get_encryption_info() should have already been called when starting the directory operation. And indeed, it already is. Moreover, the encryption key is guaranteed to already be available because dx_show_leaf() is only called when adding a new directory entry. And even if the key wasn't available, dx_show_leaf() uses fscrypt_fname_disk_to_usr() which knows how to create a no-key name. So for the above reasons, and because it would be desirable to stop exporting fscrypt_get_encryption_info() directly to filesystems, remove the call to fscrypt_get_encryption_info() from dx_show_leaf(). Reviewed-by: Andreas Dilger <adilger@dilger.ca> Link: https://lore.kernel.org/r/20201203022041.230976-5-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com>
Diffstat (limited to 'fs/ext4/namei.c')
-rw-r--r--fs/ext4/namei.c8
1 files changed, 1 insertions, 7 deletions
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 793fc7db9d28..7b31aea3e025 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -643,13 +643,7 @@ static struct stats dx_show_leaf(struct inode *dir,
name = de->name;
len = de->name_len;
- if (IS_ENCRYPTED(dir))
- res = fscrypt_get_encryption_info(dir);
- if (res) {
- printk(KERN_WARNING "Error setting up"
- " fname crypto: %d\n", res);
- }
- if (!fscrypt_has_encryption_key(dir)) {
+ if (!IS_ENCRYPTED(dir)) {
/* Directory is not encrypted */
ext4fs_dirhash(dir, de->name,
de->name_len, &h);