hexdump: use const notation

Trivial fix: mark the buffer to hexdump as const so callers could avoid
casting their const buffers when calling print_hex_dump().

The patch is really trivial and I suggest to consider it as a fix
(it fixes GCC warnings) and push it to current tree.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 4300bb462d2..b4f5b81b425 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -224,7 +224,7 @@ extern void hex_dump_to_buffer(const void *buf, size_t len,
                                 char *linebuf, size_t linebuflen, bool ascii);
 extern void print_hex_dump(const char *level, const char *prefix_str,
                                 int prefix_type, int rowsize, int groupsize,
-                                void *buf, size_t len, bool ascii);
+                                const void *buf, size_t len, bool ascii);
 extern void print_hex_dump_bytes(const char *prefix_str, int prefix_type,
                         void *buf, size_t len);
 #define hex_asc(x)      "0123456789abcdef"[x]