Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull misc vfs updates from Al Viro:
 "Assorted stuff all over the place"

* 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  useful constants: struct qstr for ".."
  hostfs_open(): don't open-code file_dentry()
  whack-a-mole: kill strlen_user() (again)
  autofs: should_expire() argument is guaranteed to be positive
  apparmor:match_mn() - constify devpath argument
  buffer: a small optimization in grow_buffers
  get rid of autofs_getpath()
  constify dentry argument of dentry_path()/dentry_path_raw()

5 files changed, 1 insertions, 6 deletions

diff --git a/arch/csky/include/asm/uaccess.h b/arch/csky/include/asm/uaccess.h
index 3dec272e1fa3..4216a2a9415c 100644
--- a/arch/csky/include/asm/uaccess.h
+++ b/arch/csky/include/asm/uaccess.h
@@ -397,8 +397,6 @@ long __strncpy_from_user(char *dst, const char *src, long count);
  */
 long strnlen_user(const char *src, long n);
 
-#define strlen_user(str) strnlen_user(str, 32767)
-
 struct exception_table_entry {
 	unsigned long insn;
 	unsigned long nextinsn;
diff --git a/arch/csky/lib/usercopy.c b/arch/csky/lib/usercopy.c
index 3c9bd645e643..f45b707f059f 100644
--- a/arch/csky/lib/usercopy.c
+++ b/arch/csky/lib/usercopy.c
@@ -116,7 +116,7 @@ long strncpy_from_user(char *dst, const char *src, long count)
 EXPORT_SYMBOL(strncpy_from_user);
 
 /*
- * strlen_user: - Get the size of a string in user space.
+ * strnlen_user: - Get the size of a string in user space.
  * @str: The string to measure.
  * @n:   The maximum valid length
  *
diff --git a/arch/nds32/include/asm/uaccess.h b/arch/nds32/include/asm/uaccess.h
index 010ba5f1d7dd..d4cbf069dc22 100644
--- a/arch/nds32/include/asm/uaccess.h
+++ b/arch/nds32/include/asm/uaccess.h
@@ -260,7 +260,6 @@ do {									\
 
 extern unsigned long __arch_clear_user(void __user * addr, unsigned long n);
 extern long strncpy_from_user(char *dest, const char __user * src, long count);
-extern __must_check long strlen_user(const char __user * str);
 extern __must_check long strnlen_user(const char __user * str, long n);
 extern unsigned long __arch_copy_from_user(void *to, const void __user * from,
                                            unsigned long n);
diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h
index a741abbed6fb..ba9340e96fd4 100644
--- a/arch/nios2/include/asm/uaccess.h
+++ b/arch/nios2/include/asm/uaccess.h
@@ -83,7 +83,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n);
 
 extern long strncpy_from_user(char *__to, const char __user *__from,
 			      long __len);
-extern __must_check long strlen_user(const char __user *str);
 extern __must_check long strnlen_user(const char __user *s, long n);
 
 /* Optimized macros */
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index f944062c9d99..f314ff44c48d 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -375,7 +375,6 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n)
 
 extern long strncpy_from_user(char *dest, const char __user *src, long count);
 
-extern long __must_check strlen_user(const char __user *str);
 extern long __must_check strnlen_user(const char __user *str, long n);
 
 extern