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| author | Steven Rostedt <srostedt@redhat.com> | 2011-05-19 14:35:33 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-05-25 19:56:23 -0400 |
| commit | f29c50419c8d1998edd759f1990c4243a248f469 (patch) | |
| tree | bf75e1376757022dcb54a12eea705f6086649edd /mm/maccess.c | |
| parent | 6e9101aeec39961308176e0f59e73ac5d37d243a (diff) | |
| download | lwn-f29c50419c8d1998edd759f1990c4243a248f469.tar.gz lwn-f29c50419c8d1998edd759f1990c4243a248f469.zip | |
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.c | 8 |
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(); |