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path: root/fs/btrfs/verity.c
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Diffstat (limited to 'fs/btrfs/verity.c')
-rw-r--r--fs/btrfs/verity.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/fs/btrfs/verity.c b/fs/btrfs/verity.c
index 46bd8ca58670..06dfcb461f53 100644
--- a/fs/btrfs/verity.c
+++ b/fs/btrfs/verity.c
@@ -109,7 +109,7 @@ static int drop_verity_items(struct btrfs_inode *inode, u8 key_type)
{
struct btrfs_trans_handle *trans;
struct btrfs_root *root = inode->root;
- struct btrfs_path *path;
+ BTRFS_PATH_AUTO_FREE(path);
struct btrfs_key key;
int count = 0;
int ret;
@@ -121,10 +121,8 @@ static int drop_verity_items(struct btrfs_inode *inode, u8 key_type)
while (1) {
/* 1 for the item being dropped */
trans = btrfs_start_transaction(root, 1);
- if (IS_ERR(trans)) {
- ret = PTR_ERR(trans);
- goto out;
- }
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
/*
* Walk backwards through all the items until we find one that
@@ -143,7 +141,7 @@ static int drop_verity_items(struct btrfs_inode *inode, u8 key_type)
path->slots[0]--;
} else if (ret < 0) {
btrfs_end_transaction(trans);
- goto out;
+ return ret;
}
btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
@@ -161,17 +159,14 @@ static int drop_verity_items(struct btrfs_inode *inode, u8 key_type)
ret = btrfs_del_items(trans, root, path, path->slots[0], 1);
if (ret) {
btrfs_end_transaction(trans);
- goto out;
+ return ret;
}
count++;
btrfs_release_path(path);
btrfs_end_transaction(trans);
}
- ret = count;
btrfs_end_transaction(trans);
-out:
- btrfs_free_path(path);
- return ret;
+ return count;
}
/*
@@ -217,7 +212,7 @@ static int write_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
const char *src, u64 len)
{
struct btrfs_trans_handle *trans;
- struct btrfs_path *path;
+ BTRFS_PATH_AUTO_FREE(path);
struct btrfs_root *root = inode->root;
struct extent_buffer *leaf;
struct btrfs_key key;
@@ -233,10 +228,8 @@ static int write_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
while (len > 0) {
/* 1 for the new item being inserted */
trans = btrfs_start_transaction(root, 1);
- if (IS_ERR(trans)) {
- ret = PTR_ERR(trans);
- break;
- }
+ if (IS_ERR(trans))
+ return PTR_ERR(trans);
key.objectid = btrfs_ino(inode);
key.type = key_type;
@@ -267,7 +260,6 @@ static int write_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
btrfs_end_transaction(trans);
}
- btrfs_free_path(path);
return ret;
}
@@ -296,7 +288,7 @@ static int write_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
static int read_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
char *dest, u64 len, struct folio *dest_folio)
{
- struct btrfs_path *path;
+ BTRFS_PATH_AUTO_FREE(path);
struct btrfs_root *root = inode->root;
struct extent_buffer *leaf;
struct btrfs_key key;
@@ -404,7 +396,6 @@ static int read_key_bytes(struct btrfs_inode *inode, u8 key_type, u64 offset,
}
}
out:
- btrfs_free_path(path);
if (!ret)
ret = copied;
return ret;
@@ -587,6 +578,9 @@ static int btrfs_begin_enable_verity(struct file *filp)
btrfs_assert_inode_locked(inode);
+ if (IS_ENCRYPTED(&inode->vfs_inode))
+ return -EOPNOTSUPP;
+
if (test_bit(BTRFS_INODE_VERITY_IN_PROGRESS, &inode->runtime_flags))
return -EBUSY;