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authorSteven Rostedt <srostedt@redhat.com>2011-05-19 14:35:33 -0400
committerSteven Rostedt <rostedt@goodmis.org>2011-05-25 19:56:23 -0400
commitf29c50419c8d1998edd759f1990c4243a248f469 (patch)
treebf75e1376757022dcb54a12eea705f6086649edd /mm/maccess.c
parent6e9101aeec39961308176e0f59e73ac5d37d243a (diff)
downloadlinux-stericsson-f29c50419c8d1998edd759f1990c4243a248f469.tar.gz
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 <vapier@gentoo.org> Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1305824936.1465.4.camel@gandalf.stny.rr.com
Diffstat (limited to 'mm/maccess.c')
-rw-r--r--mm/maccess.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/maccess.c b/mm/maccess.c
index e2b6f5634e0d..4cee182ab5f3 100644
--- a/mm/maccess.c
+++ b/mm/maccess.c
@@ -15,10 +15,10 @@
* happens, handle that and return -EFAULT.
*/
-long __weak probe_kernel_read(void *dst, void *src, size_t size)
+long __weak probe_kernel_read(void *dst, const void *src, size_t size)
__attribute__((alias("__probe_kernel_read")));
-long __probe_kernel_read(void *dst, void *src, size_t size)
+long __probe_kernel_read(void *dst, const void *src, size_t size)
{
long ret;
mm_segment_t old_fs = get_fs();
@@ -43,10 +43,10 @@ EXPORT_SYMBOL_GPL(probe_kernel_read);
* Safely write to address @dst from the buffer at @src. If a kernel fault
* happens, handle that and return -EFAULT.
*/
-long __weak probe_kernel_write(void *dst, void *src, size_t size)
+long __weak probe_kernel_write(void *dst, const void *src, size_t size)
__attribute__((alias("__probe_kernel_write")));
-long __probe_kernel_write(void *dst, void *src, size_t size)
+long __probe_kernel_write(void *dst, const void *src, size_t size)
{
long ret;
mm_segment_t old_fs = get_fs();