1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 6595074cbac5..d72b9a63b247 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -137,7 +137,7 @@ int trace_seq_putc(struct trace_seq *s, unsigned char c)
         return 1;
 }
 
-int trace_seq_putmem(struct trace_seq *s, void *mem, size_t len)
+int trace_seq_putmem(struct trace_seq *s, const void *mem, size_t len)
 {
         if (len > ((PAGE_SIZE - 1) - s->len))
                 return 0;
@@ -148,10 +148,10 @@ int trace_seq_putmem(struct trace_seq *s, void *mem, size_t len)
         return len;
 }
 
-int trace_seq_putmem_hex(struct trace_seq *s, void *mem, size_t len)
+int trace_seq_putmem_hex(struct trace_seq *s, const void *mem, size_t len)
 {
         unsigned char hex[HEX_CHARS];
-        unsigned char *data = mem;
+        const unsigned char *data = mem;
         int i, j;
 
 #ifdef __BIG_ENDIAN