diff options
author | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
tree | 7c06d8f30783115e3384721046258ce615b129c5 /arch/xtensa/include/asm/string.h | |
parent | 8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff) | |
parent | f01d1d546abb2f4028b5299092f529eefb01253a (diff) |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'arch/xtensa/include/asm/string.h')
-rw-r--r-- | arch/xtensa/include/asm/string.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/string.h b/arch/xtensa/include/asm/string.h new file mode 100644 index 000000000000..5fb8c27cbef5 --- /dev/null +++ b/arch/xtensa/include/asm/string.h @@ -0,0 +1,124 @@ +/* + * include/asm-xtensa/string.h + * + * These trivial string functions are considered part of the public domain. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2001 - 2005 Tensilica Inc. + */ + +/* We should optimize these. See arch/xtensa/lib/strncpy_user.S */ + +#ifndef _XTENSA_STRING_H +#define _XTENSA_STRING_H + +#define __HAVE_ARCH_STRCPY +static inline char *strcpy(char *__dest, const char *__src) +{ + register char *__xdest = __dest; + unsigned long __dummy; + + __asm__ __volatile__("1:\n\t" + "l8ui %2, %1, 0\n\t" + "s8i %2, %0, 0\n\t" + "addi %1, %1, 1\n\t" + "addi %0, %0, 1\n\t" + "bnez %2, 1b\n\t" + : "=r" (__dest), "=r" (__src), "=&r" (__dummy) + : "0" (__dest), "1" (__src) + : "memory"); + + return __xdest; +} + +#define __HAVE_ARCH_STRNCPY +static inline char *strncpy(char *__dest, const char *__src, size_t __n) +{ + register char *__xdest = __dest; + unsigned long __dummy; + + if (__n == 0) + return __xdest; + + __asm__ __volatile__( + "1:\n\t" + "l8ui %2, %1, 0\n\t" + "s8i %2, %0, 0\n\t" + "addi %1, %1, 1\n\t" + "addi %0, %0, 1\n\t" + "beqz %2, 2f\n\t" + "bne %1, %5, 1b\n" + "2:" + : "=r" (__dest), "=r" (__src), "=&r" (__dummy) + : "0" (__dest), "1" (__src), "r" (__src+__n) + : "memory"); + + return __xdest; +} + +#define __HAVE_ARCH_STRCMP +static inline int strcmp(const char *__cs, const char *__ct) +{ + register int __res; + unsigned long __dummy; + + __asm__ __volatile__( + "1:\n\t" + "l8ui %3, %1, 0\n\t" + "addi %1, %1, 1\n\t" + "l8ui %2, %0, 0\n\t" + "addi %0, %0, 1\n\t" + "beqz %2, 2f\n\t" + "beq %2, %3, 1b\n" + "2:\n\t" + "sub %2, %3, %2" + : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy) + : "0" (__cs), "1" (__ct)); + + return __res; +} + +#define __HAVE_ARCH_STRNCMP +static inline int strncmp(const char *__cs, const char *__ct, size_t __n) +{ + register int __res; + unsigned long __dummy; + + __asm__ __volatile__( + "mov %2, %3\n" + "1:\n\t" + "beq %0, %6, 2f\n\t" + "l8ui %3, %1, 0\n\t" + "addi %1, %1, 1\n\t" + "l8ui %2, %0, 0\n\t" + "addi %0, %0, 1\n\t" + "beqz %2, 2f\n\t" + "beqz %3, 2f\n\t" + "beq %2, %3, 1b\n" + "2:\n\t" + "sub %2, %3, %2" + : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy) + : "0" (__cs), "1" (__ct), "r" (__cs+__n)); + + return __res; +} + +#define __HAVE_ARCH_MEMSET +extern void *memset(void *__s, int __c, size_t __count); + +#define __HAVE_ARCH_MEMCPY +extern void *memcpy(void *__to, __const__ void *__from, size_t __n); + +#define __HAVE_ARCH_MEMMOVE +extern void *memmove(void *__dest, __const__ void *__src, size_t __n); + +/* Don't build bcopy at all ... */ +#define __HAVE_ARCH_BCOPY + +#define __HAVE_ARCH_MEMSCAN +#define memscan memchr + +#endif /* _XTENSA_STRING_H */ |