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udf: Convert udf_lookup() to use new directory iteration code 

Convert udf_lookup() to use udf_fiiter_find_entry() for looking up
directory entries.

Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Jan Kara 2022-10-05 18:36:21 +02:00
parent 1c80afa04d
commit 200918b34d
1 changed files with 8 additions and 11 deletions
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19
fs/udf/namei.c
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@ -366,25 +366,22 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
unsigned int flags)
{
struct inode *inode = NULL;
struct fileIdentDesc cfi;
struct udf_fileident_bh fibh;
struct fileIdentDesc *fi;
struct udf_fileident_iter iter;
int err;
if (dentry->d_name.len > UDF_NAME_LEN)
return ERR_PTR(-ENAMETOOLONG);
fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
if (IS_ERR(fi))
return ERR_CAST(fi);
err = udf_fiiter_find_entry(dir, &dentry->d_name, &iter);
if (err < 0 && err != -ENOENT)
return ERR_PTR(err);
if (fi) {
if (err == 0) {
struct kernel_lb_addr loc;
if (fibh.sbh != fibh.ebh)
brelse(fibh.ebh);
brelse(fibh.sbh);
loc = lelb_to_cpu(iter.fi.icb.extLocation);
udf_fiiter_release(&iter);
loc = lelb_to_cpu(cfi.icb.extLocation);
inode = udf_iget(dir->i_sb, &loc);
if (IS_ERR(inode))
return ERR_CAST(inode);