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maccess,probe_kernel: Make write/read src const void *

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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 <[email protected]>
Acked-by: Heiko Carstens <[email protected]>
Acked-by: Martin Schwidefsky <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
This commit is contained in:
Steven Rostedt 2011-05-19 14:35:33 -04:00 • committed by Steven Rostedt
commit f29c50419c
4 changed files with 12 additions and 12 deletions
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8
mm/maccess.c
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@ -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();