If realloc() fails in path_append() we will lose a memory pointed to by
target->path. Fix it.
Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
---
misc/create_inode.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/misc/create_inode.c b/misc/create_inode.c
index 05aa6363..cedbba52 100644
--- a/misc/create_inode.c
+++ b/misc/create_inode.c
@@ -704,10 +704,12 @@ struct file_info {
static errcode_t path_append(struct file_info *target, const char *file)
{
if (strlen(file) + target->path_len + 1 > target->path_max_len) {
+ void *p;
target->path_max_len *= 2;
- target->path = realloc(target->path, target->path_max_len);
- if (!target->path)
+ p = realloc(target->path, target->path_max_len);
+ if (p == NULL)
return EXT2_ET_NO_MEMORY;
+ target->path = p;
}
target->path_len += sprintf(target->path + target->path_len, "/%s",
file);
--
2.20.1
