[PATCH v3] f2fs: replace deprecated strcpy with strscpy

[Daniel Yang <danielyangkang@gmail.com>]

strcpy is deprecated. Kernel docs recommend replacing strcpy with
strscpy. The function strcpy() return value isn't used so there
shouldn't be an issue replacing with the safer alternative strscpy.

Signed-off-by: Daniel Yang <danielyangkang@gmail.com>
---
v2 -> v3: store strscpy result in ret and return ret if error
v1 -> v2: handle strscpy errors, changed prefix to f2fs
 fs/f2fs/super.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 87ab5696b..3eb754547 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1158,7 +1158,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 				break;
 			}
 
-			strcpy(ext[ext_cnt], name);
+			ret = strscpy(ext[ext_cnt], name);
+			if (ret < 0) {
+				kfree(name);
+				return ret;
+			}
 			F2FS_OPTION(sbi).compress_ext_cnt++;
 			kfree(name);
 			break;
@@ -1187,7 +1191,11 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 				break;
 			}
 
-			strcpy(noext[noext_cnt], name);
+			ret = strscpy(noext[noext_cnt], name);
+			if (ret < 0) {
+				kfree(name);
+				return ret;
+			}
 			F2FS_OPTION(sbi).nocompress_ext_cnt++;
 			kfree(name);
 			break;
-- 
2.39.5