Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

f2fs crypto: avoid unneeded memory allocation in ->readdir

Browse source 
When decrypting dirents in ->readdir, fscrypt_fname_disk_to_usr won't
change content of original encrypted dirent, we don't need to allocate
additional buffer for storing mirror of it, so get rid of it.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2016-08-28 22:00:12 +08:00 committed by Jaegeuk Kim
parent 9421d57051
commit e06f86e61d
1 changed files with 0 additions and 7 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
fs/f2fs/dir.c
View file

@ -796,16 +796,9 @@ bool f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d,
int save_len = fstr->len;
int ret;
de_name.name = f2fs_kmalloc(de_name.len, GFP_NOFS);
if (!de_name.name)
return false;
memcpy(de_name.name, d->filename[bit_pos], de_name.len);
ret = fscrypt_fname_disk_to_usr(d->inode,
(u32)de->hash_code, 0,
&de_name, fstr);
kfree(de_name.name);
if (ret < 0)
return true;