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gfs2: using posix_acl_xattr_size instead of posix_acl_to_xattr

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It seems better to get size by calling posix_acl_xattr_size() instead of
calling posix_acl_to_xattr() with NULL buffer argument.

posix_acl_xattr_size() never returns 0, so remove the unnecessary check.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Chengguang Xu 2018-06-22 09:51:43 +08:00 committed by Andreas Gruenbacher
parent e79e0e1428
commit 910f3d58d0
1 changed files with 2 additions and 4 deletions
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6
fs/gfs2/acl.c
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@ -82,14 +82,12 @@ struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
int error;
int len;
size_t len;
char *data;
const char *name = gfs2_acl_name(type);
if (acl) {
len = posix_acl_to_xattr(&init_user_ns, acl, NULL, 0);
if (len == 0)
return 0;
len = posix_acl_xattr_size(acl->a_count);
data = kmalloc(len, GFP_NOFS);
if (data == NULL)
return -ENOMEM;