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Revision a84ec72324e291262137726d10d67f90c4c5110e authored by Linus Torvalds on 15 December 2017, 20:59:48 UTC, committed by Linus Torvalds on 15 December 2017, 20:59:48 UTC 
Merge tag 'staging-4.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
 
Pull staging fixes from Greg KH:
 "Here are some small staging driver fixes for 4.15-rc4.

  One patch for the ccree driver to prevent an unitialized value from
  being returned to a caller, and the other fixes a logic error in the
  pi433 driver"

* tag 'staging-4.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: pi433: Fixes issue with bit shift in rf69_get_modulation
  staging: ccree: Uninitialized return in ssi_ahash_import()
2 parent s d6e47ee + 202fc67
Raw File
acl.h 
/* SPDX-License-Identifier: GPL-2.0 */
/*
  File: fs/ext2/acl.h

  (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org>
*/

#include <linux/posix_acl_xattr.h>

#define EXT2_ACL_VERSION	0x0001

typedef struct {
	__le16		e_tag;
	__le16		e_perm;
	__le32		e_id;
} ext2_acl_entry;

typedef struct {
	__le16		e_tag;
	__le16		e_perm;
} ext2_acl_entry_short;

typedef struct {
	__le32		a_version;
} ext2_acl_header;

static inline size_t ext2_acl_size(int count)
{
	if (count <= 4) {
		return sizeof(ext2_acl_header) +
		       count * sizeof(ext2_acl_entry_short);
	} else {
		return sizeof(ext2_acl_header) +
		       4 * sizeof(ext2_acl_entry_short) +
		       (count - 4) * sizeof(ext2_acl_entry);
	}
}

static inline int ext2_acl_count(size_t size)
{
	ssize_t s;
	size -= sizeof(ext2_acl_header);
	s = size - 4 * sizeof(ext2_acl_entry_short);
	if (s < 0) {
		if (size % sizeof(ext2_acl_entry_short))
			return -1;
		return size / sizeof(ext2_acl_entry_short);
	} else {
		if (s % sizeof(ext2_acl_entry))
			return -1;
		return s / sizeof(ext2_acl_entry) + 4;
	}
}

#ifdef CONFIG_EXT2_FS_POSIX_ACL

/* acl.c */
extern struct posix_acl *ext2_get_acl(struct inode *inode, int type);
extern int ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
extern int ext2_init_acl (struct inode *, struct inode *);

#else
#include <linux/sched.h>
#define ext2_get_acl	NULL
#define ext2_set_acl	NULL

static inline int ext2_init_acl (struct inode *inode, struct inode *dir)
{
	return 0;
}
#endif
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