From f29c50419c8d1998edd759f1990c4243a248f469 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 19 May 2011 14:35:33 -0400 Subject: maccess,probe_kernel: Make write/read src const void * The functions probe_kernel_write() and probe_kernel_read() do not modify the src pointer. Allow const pointers to be passed in without the need of a typecast. Acked-by: Mike Frysinger Acked-by: Heiko Carstens Acked-by: Martin Schwidefsky Signed-off-by: Steven Rostedt Link: http://lkml.kernel.org/r/1305824936.1465.4.camel@gandalf.stny.rr.com --- include/linux/uaccess.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'include/linux/uaccess.h') diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index d512d98dfb7..5ca0951e185 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -93,8 +93,8 @@ static inline unsigned long __copy_from_user_nocache(void *to, * Safely read from address @src to the buffer at @dst. If a kernel fault * happens, handle that and return -EFAULT. */ -extern long probe_kernel_read(void *dst, void *src, size_t size); -extern long __probe_kernel_read(void *dst, void *src, size_t size); +extern long probe_kernel_read(void *dst, const void *src, size_t size); +extern long __probe_kernel_read(void *dst, const void *src, size_t size); /* * probe_kernel_write(): safely attempt to write to a location @@ -105,7 +105,7 @@ extern long __probe_kernel_read(void *dst, void *src, size_t size); * Safely write to address @dst from the buffer at @src. If a kernel fault * happens, handle that and return -EFAULT. */ -extern long notrace probe_kernel_write(void *dst, void *src, size_t size); -extern long notrace __probe_kernel_write(void *dst, void *src, size_t size); +extern long notrace probe_kernel_write(void *dst, const void *src, size_t size); +extern long notrace __probe_kernel_write(void *dst, const void *src, size_t size); #endif /* __LINUX_UACCESS_H__ */ -- cgit v1.2.3