summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/memfd.h6
-rw-r--r--mm/memfd.c4
2 files changed, 8 insertions, 2 deletions
diff --git a/include/linux/memfd.h b/include/linux/memfd.h
index cc74de3dbcfe..c328a7b356d0 100644
--- a/include/linux/memfd.h
+++ b/include/linux/memfd.h
@@ -17,6 +17,7 @@ struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx);
* to by vm_flags_ptr.
*/
int memfd_check_seals_mmap(struct file *file, vm_flags_t *vm_flags_ptr);
+struct file *memfd_alloc_file(const char *name, unsigned int flags);
#else
static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a)
{
@@ -31,6 +32,11 @@ static inline int memfd_check_seals_mmap(struct file *file,
{
return 0;
}
+
+static inline struct file *memfd_alloc_file(const char *name, unsigned int flags)
+{
+ return ERR_PTR(-EINVAL);
+}
#endif
#endif /* __LINUX_MEMFD_H */
diff --git a/mm/memfd.c b/mm/memfd.c
index ab5312aff14b..f032c6052926 100644
--- a/mm/memfd.c
+++ b/mm/memfd.c
@@ -456,7 +456,7 @@ err_name:
return ERR_PTR(error);
}
-static struct file *alloc_file(const char *name, unsigned int flags)
+struct file *memfd_alloc_file(const char *name, unsigned int flags)
{
unsigned int *file_seals;
struct file *file;
@@ -520,5 +520,5 @@ SYSCALL_DEFINE2(memfd_create,
return PTR_ERR(name);
fd_flags = (flags & MFD_CLOEXEC) ? O_CLOEXEC : 0;
- return FD_ADD(fd_flags, alloc_file(name, flags));
+ return FD_ADD(fd_flags, memfd_alloc_file(name, flags));
}