mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
synced 2024-12-28 16:52:18 +00:00
09af2a4f18
I typo'd the declaration of memfd_check_seals_mmap() in the case where CONFIG_MEMFD_CREATE is not defined, resulting in build failures. Fix this, and correct the misspelling of vm_flags which should be vm_flags_ptr at the same time. Link: https://lkml.kernel.org/r/7dee6c5d-480b-4c24-b98e-6fa47dbd8a23@lucifer.local Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
35 lines
950 B
C
35 lines
950 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __LINUX_MEMFD_H
|
|
#define __LINUX_MEMFD_H
|
|
|
|
#include <linux/file.h>
|
|
|
|
#ifdef CONFIG_MEMFD_CREATE
|
|
extern long memfd_fcntl(struct file *file, unsigned int cmd, unsigned int arg);
|
|
struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
|
|
/*
|
|
* Check for any existing seals on mmap, return an error if access is denied due
|
|
* to sealing, or 0 otherwise.
|
|
*
|
|
* We also update VMA flags if appropriate by manipulating the VMA flags pointed
|
|
* to by vm_flags_ptr.
|
|
*/
|
|
int memfd_check_seals_mmap(struct file *file, unsigned long *vm_flags_ptr);
|
|
#else
|
|
static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
static inline struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx)
|
|
{
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
static inline int memfd_check_seals_mmap(struct file *file,
|
|
unsigned long *vm_flags_ptr)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __LINUX_MEMFD_H */
|