trace: add variant without spacing in trace_print_hex_seq

[mirror_ubuntu-artful-kernel.git] / kernel / trace / trace_output.c

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 5d33a7352919853e3d586f20a84f8d12b3d88bbb..30a144b1b9eeb316a847a8d384ccba91b6e41bcf 100644 (file)
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -163,14 +163,15 @@ trace_print_bitmask_seq(struct trace_seq *p, void *bitmask_ptr,
 EXPORT_SYMBOL_GPL(trace_print_bitmask_seq);
 
 const char *
-trace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
+trace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len,
+                   bool spacing)
 {
        int i;
        const char *ret = trace_seq_buffer_ptr(p);
 
        for (i = 0; i < buf_len; i++)
-               trace_seq_printf(p, "%s%2.2x", i == 0 ? "" : " ", buf[i]);
-
+               trace_seq_printf(p, "%s%2.2x", !spacing || i == 0 ? "" : " ",
+                                buf[i]);
        trace_seq_putc(p, 0);
 
        return ret;