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authorLinus Torvalds <torvalds@linux-foundation.org>2012-06-13 23:17:12 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2012-06-13 23:17:12 +0300
commit6ddb99043cac53e30a38d68fe0835c901fbbbeb5 (patch)
tree6c049914a2a08fde3b367d66347b16a55496b824 /arch/m68k/include
parentMerge tag 'omapdss-for-3.5-rc2' of git://gitorious.org/linux-omap-dss2/linux (diff)
parentm68k: Use generic strncpy_from_user(), strlen_user(), and strnlen_user() (diff)
downloadlinux-dev-6ddb99043cac53e30a38d68fe0835c901fbbbeb5.tar.xz
linux-dev-6ddb99043cac53e30a38d68fe0835c901fbbbeb5.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k update from Geert Uytterhoeven. This makes m68k use the generic library functions for the user-space strn[cpy|len] functions. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k: Use generic strncpy_from_user(), strlen_user(), and strnlen_user()
Diffstat (limited to 'arch/m68k/include')
-rw-r--r--arch/m68k/include/asm/Kbuild2
-rw-r--r--arch/m68k/include/asm/uaccess_mm.h11
2 files changed, 9 insertions, 4 deletions
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index 1a922fad76f7..eafa2539a8ee 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -1,2 +1,4 @@
include include/asm-generic/Kbuild.asm
header-y += cachectl.h
+
+generic-y += word-at-a-time.h
diff --git a/arch/m68k/include/asm/uaccess_mm.h b/arch/m68k/include/asm/uaccess_mm.h
index 9c80cd515b20..472c891a4aee 100644
--- a/arch/m68k/include/asm/uaccess_mm.h
+++ b/arch/m68k/include/asm/uaccess_mm.h
@@ -379,12 +379,15 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n)
#define copy_from_user(to, from, n) __copy_from_user(to, from, n)
#define copy_to_user(to, from, n) __copy_to_user(to, from, n)
-long strncpy_from_user(char *dst, const char __user *src, long count);
-long strnlen_user(const char __user *src, long n);
+#define user_addr_max() \
+ (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL)
+
+extern long strncpy_from_user(char *dst, 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);
+
unsigned long __clear_user(void __user *to, unsigned long n);
#define clear_user __clear_user
-#define strlen_user(str) strnlen_user(str, 32767)
-
#endif /* _M68K_UACCESS_H */