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kill boilerplates around posix_acl_create_masq()

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new helper: posix_acl_create(&acl, gfp, mode_p).  Replaces acl with
modified clone, on failure releases acl and replaces with NULL.
Returns 0 or -ve on error.  All callers of posix_acl_create_masq()
switched.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2011-07-23 03:10:32 -04:00
parent 95203befa8
commit 826cae2f2b
16 changed files with 114 additions and 202 deletions
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24
fs/btrfs/acl.c
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@ -238,8 +238,7 @@ int btrfs_init_acl(struct btrfs_trans_handle *trans,
}
if (IS_POSIXACL(dir) && acl) {
struct posix_acl *clone;
mode_t mode;
mode_t mode = inode->i_mode;
if (S_ISDIR(inode->i_mode)) {
ret = btrfs_set_acl(trans, inode, acl,
@ -247,22 +246,15 @@ int btrfs_init_acl(struct btrfs_trans_handle *trans,
if (ret)
goto failed;
}
clone = posix_acl_clone(acl, GFP_NOFS);
ret = -ENOMEM;
if (!clone)
goto failed;
ret = posix_acl_create(&acl, GFP_NOFS, &mode);
if (ret < 0)
return ret;
mode = inode->i_mode;
ret = posix_acl_create_masq(clone, &mode);
if (ret >= 0) {
inode->i_mode = mode;
if (ret > 0) {
/* we need an acl */
ret = btrfs_set_acl(trans, inode, clone,
ACL_TYPE_ACCESS);
}
inode->i_mode = mode;
if (ret > 0) {
/* we need an acl */
ret = btrfs_set_acl(trans, inode, acl, ACL_TYPE_ACCESS);
}
posix_acl_release(clone);
}
failed:
posix_acl_release(acl);