[PATCH] EDAC/mc_sysfs: use strscpy() to instead of strncpy()

[Bo Liu]

The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.

Signed-off-by: Bo Liu <liubo03@xxxxxxxxxx>
---
 drivers/edac/edac_mc_sysfs.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 15f63452a9be..b709cbe8dcf9 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -229,8 +229,7 @@ static ssize_t channel_dimm_label_store(struct device *dev,
 	if (copy_count == 0 || copy_count >= sizeof(rank->dimm->label))
 		return -EINVAL;
 
-	strncpy(rank->dimm->label, data, copy_count);
-	rank->dimm->label[copy_count] = '\0';
+	strscpy(rank->dimm->label, data, copy_count + 1);
 
 	return count;
 }
@@ -535,8 +534,7 @@ static ssize_t dimmdev_label_store(struct device *dev,
 	if (copy_count == 0 || copy_count >= sizeof(dimm->label))
 		return -EINVAL;
 
-	strncpy(dimm->label, data, copy_count);
-	dimm->label[copy_count] = '\0';
+	strscpy(dimm->label, data, copy_count + 1);
 
 	return count;
 }
-- 
2.27.0