[PATCH] ext4: prefer strlcpy to strncpy

From: Nick Desaulniers
Date: Tue May 29 2018 - 02:22:15 EST


Fixes a stringop-truncation warning from gcc-8.

Signed-off-by: Nick Desaulniers <nick.desaulniers@xxxxxxxxx>
---
fs/ext4/super.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index eb104e8..d47c85f 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -323,11 +323,11 @@ static void __save_error_info(struct super_block *sb, const char *func,
return;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
es->s_last_error_time = cpu_to_le32(get_seconds());
- strncpy(es->s_last_error_func, func, sizeof(es->s_last_error_func));
+ strlcpy(es->s_last_error_func, func, sizeof(es->s_last_error_func));
es->s_last_error_line = cpu_to_le32(line);
if (!es->s_first_error_time) {
es->s_first_error_time = es->s_last_error_time;
- strncpy(es->s_first_error_func, func,
+ strlcpy(es->s_first_error_func, func,
sizeof(es->s_first_error_func));
es->s_first_error_line = cpu_to_le32(line);
es->s_first_error_ino = es->s_last_error_ino;
--
2.7.4