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-rw-r--r--fs/namespace.c29
1 files changed, 10 insertions, 19 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index 97adcb5ab5d5..20caa4b4c539 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1715,22 +1715,14 @@ static inline bool may_mount(void)
return ns_capable(current->nsproxy->mnt_ns->user_ns, CAP_SYS_ADMIN);
}
-#ifdef CONFIG_MANDATORY_FILE_LOCKING
-static bool may_mandlock(void)
+static void warn_mandlock(void)
{
- pr_warn_once("======================================================\n"
- "WARNING: the mand mount option is being deprecated and\n"
- " will be removed in v5.15!\n"
- "======================================================\n");
- return capable(CAP_SYS_ADMIN);
+ pr_warn_once("=======================================================\n"
+ "WARNING: The mand mount option has been deprecated and\n"
+ " and is ignored by this kernel. Remove the mand\n"
+ " option from the mount to silence this warning.\n"
+ "=======================================================\n");
}
-#else
-static inline bool may_mandlock(void)
-{
- pr_warn("VFS: \"mand\" mount option not supported");
- return false;
-}
-#endif
static int can_umount(const struct path *path, int flags)
{
@@ -3197,8 +3189,8 @@ int path_mount(const char *dev_name, struct path *path,
return ret;
if (!may_mount())
return -EPERM;
- if ((flags & SB_MANDLOCK) && !may_mandlock())
- return -EPERM;
+ if (flags & SB_MANDLOCK)
+ warn_mandlock();
/* Default to relatime unless overriden */
if (!(flags & MS_NOATIME))
@@ -3581,9 +3573,8 @@ SYSCALL_DEFINE3(fsmount, int, fs_fd, unsigned int, flags,
if (fc->phase != FS_CONTEXT_AWAITING_MOUNT)
goto err_unlock;
- ret = -EPERM;
- if ((fc->sb_flags & SB_MANDLOCK) && !may_mandlock())
- goto err_unlock;
+ if (fc->sb_flags & SB_MANDLOCK)
+ warn_mandlock();
newmount.mnt = vfs_create_mount(fc);
if (IS_ERR(newmount.mnt)) {