[PATCH v2 1/6] e2fsck: set s->len=0 if malloc() fails in, alloc_string()

[zhanchengbin <zhanchengbin1@xxxxxxxxxx>]

In alloc_string(), when malloc fails, len in the
string structure should be 0.

Signed-off-by: zhanchengbin <zhanchengbin1@xxxxxxxxxx>
---
 e2fsck/logfile.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/e2fsck/logfile.c b/e2fsck/logfile.c
index 63e9a12f..7bdeae19 100644
--- a/e2fsck/logfile.c
+++ b/e2fsck/logfile.c
@@ -32,7 +32,7 @@ static void alloc_string(struct string *s, int len)
 {
 	s->s = malloc(len);
 /* e2fsck_allocate_memory(ctx, len, "logfile name"); */
-	s->len = len;
+	s->len = s->s ? len : 0;
 	s->end = 0;
 }

--
2.27.0