[PATCH 19/28] ext4: ext4_xattr_delete_inode() should return accurate errors

From: Tahsin Erdogan
Date: Wed May 31 2017 - 04:21:55 EST


In a few places the function returns without trying to pass the actual
error code to the caller. Fix those.

Signed-off-by: Tahsin Erdogan <tahsin@xxxxxxxxxx>
---
fs/ext4/xattr.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 1d354e447842..230e0aa76777 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -2026,7 +2026,8 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
if (!entry->e_value_inum)
continue;
ea_ino = le32_to_cpu(entry->e_value_inum);
- if (ext4_expand_ino_array(lea_ino_array, ea_ino) != 0) {
+ error = ext4_expand_ino_array(lea_ino_array, ea_ino);
+ if (error) {
brelse(iloc.bh);
goto cleanup;
}
@@ -2037,20 +2038,22 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
delete_external_ea:
if (!EXT4_I(inode)->i_file_acl) {
/* add xattr inode to orphan list */
- ext4_xattr_inode_orphan_add(handle, inode, credits,
- *lea_ino_array);
+ error = ext4_xattr_inode_orphan_add(handle, inode, credits,
+ *lea_ino_array);
goto cleanup;
}
bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
if (!bh) {
EXT4_ERROR_INODE(inode, "block %llu read error",
EXT4_I(inode)->i_file_acl);
+ error = -EIO;
goto cleanup;
}
if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
BHDR(bh)->h_blocks != cpu_to_le32(1)) {
EXT4_ERROR_INODE(inode, "bad block %llu",
EXT4_I(inode)->i_file_acl);
+ error = -EFSCORRUPTED;
goto cleanup;
}

@@ -2059,7 +2062,8 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
if (!entry->e_value_inum)
continue;
ea_ino = le32_to_cpu(entry->e_value_inum);
- if (ext4_expand_ino_array(lea_ino_array, ea_ino) != 0)
+ error = ext4_expand_ino_array(lea_ino_array, ea_ino);
+ if (error)
goto cleanup;
entry->e_value_inum = 0;
}
@@ -2067,7 +2071,7 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
/* add xattr inode to orphan list */
error = ext4_xattr_inode_orphan_add(handle, inode, credits,
*lea_ino_array);
- if (error != 0)
+ if (error)
goto cleanup;

if (!IS_NOQUOTA(inode))
@@ -2077,7 +2081,7 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode,
error = ext4_journal_extend(handle, credits);
if (error > 0)
error = ext4_journal_restart(handle, credits);
- if (error != 0) {
+ if (error) {
ext4_warning(inode->i_sb,
"couldn't extend journal (err %d)", error);
goto cleanup;
--
2.13.0.219.gdb65acc882-goog