From 888c31fc83ddc7fcd9947cb67c5718b4e3dd5e1b Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Mon, 1 Feb 2010 19:56:33 +0000 Subject: parisc: add strict copy size checks (v2) Add CONFIG_DEBUG_STRICT_USER_COPY_CHECKS, copied from the x86 implementation. Tested with 32 and 64bit kernel. Signed-off-by: Helge Deller Signed-off-by: Kyle McMartin --- arch/parisc/lib/memcpy.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'arch/parisc/lib') diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index abf41f4632a9..1dbca5c31b3c 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -475,7 +475,8 @@ unsigned long copy_to_user(void __user *dst, const void *src, unsigned long len) return pa_memcpy((void __force *)dst, src, len); } -unsigned long copy_from_user(void *dst, const void __user *src, unsigned long len) +EXPORT_SYMBOL(__copy_from_user); +unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long len) { mtsp(get_user_space(), 1); mtsp(get_kernel_space(), 2); -- cgit v1.2.3-59-g8ed1b