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authorJames Morris <jmorris@namei.org>2009-02-06 11:01:45 +1100
committerJames Morris <jmorris@namei.org>2009-02-06 11:01:45 +1100
commitcb5629b10d64a8006622ce3a52bc887d91057d69 (patch)
tree7c06d8f30783115e3384721046258ce615b129c5 /arch/xtensa/include/asm/string.h
parent8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff)
parentf01d1d546abb2f4028b5299092f529eefb01253a (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.h124
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 */