[PATCH v2 2/3] regmap: debugfs: use memcpy instead of snprintf
From: Rasmus Villemoes
Date: Wed Sep 30 2015 - 14:33:08 EST
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@xxxxxxxxxxxxxxxxxx>
---
drivers/base/regmap/regmap-debugfs.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index d26b9c3ab812..bed690740efa 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -372,8 +372,7 @@ 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++;
--
2.1.3
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