regmap: debugfs: use memcpy instead of snprintf
authorRasmus Villemoes <linux@rasmusvillemoes.dk>
Wed, 30 Sep 2015 18:30:26 +0000 (20:30 +0200)
committerMark Brown <broonie@kernel.org>
Wed, 30 Sep 2015 19:31:16 +0000 (20:31 +0100)
Since we know the length of entry and that there's room enough in the
output buffer, using memcpy instead of snprintf is simpler and
cheaper.

Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/base/regmap/regmap-debugfs.c

index 1ffc101ca0117349ad10bc8526a258b820e8cf06..69894bb9b6dde37127931c502532de5fb7570788 100644 (file)
@@ -370,8 +370,7 @@ static ssize_t regmap_reg_ranges_read_file(struct file *file,
                if (p >= *ppos) {
                        if (buf_pos + 1 + entry_len > count)
                                break;
-                       snprintf(buf + buf_pos, count - buf_pos,
-                                "%s", entry);
+                       memcpy(buf + buf_pos, entry, entry_len);
                        buf_pos += entry_len;
                        buf[buf_pos] = '\n';
                        buf_pos++;