fsck.f2fs: fix memleak in f2fs_create()

In error handling cases, exiting a function without releasing memory

Signed-off-by: Maxim Korotkov <korotkov.maxim.s@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 7 insertions, 3 deletions

diff --git a/fsck/dir.c b/fsck/dir.c
index 1cec598..a20aa8b 100644
--- a/fsck/dir.c
+++ b/fsck/dir.c
@@ -708,7 +708,8 @@ int f2fs_create(struct f2fs_sb_info *sbi, struct dentry *de)
 	ret = convert_inline_dentry(sbi, parent, ni.blk_addr);
 	if (ret) {
 		MSG(0, "Convert inline dentry for pino=%x failed.\n", de->pino);
-		return -1;
+		ret = -1;
+		goto free_parent_dir;
 	}
 
 	ret = f2fs_find_entry(sbi, parent, de);
@@ -717,6 +718,7 @@ int f2fs_create(struct f2fs_sb_info *sbi, struct dentry *de)
 					de->name, de->pino, ret);
 		if (de->file_type == F2FS_FT_REG_FILE)
 			de->ino = 0;
+		ret = 0;
 		goto free_parent_dir;
 	}
 
@@ -732,7 +734,8 @@ int f2fs_create(struct f2fs_sb_info *sbi, struct dentry *de)
 		if (hardlink_ni.blk_addr == NULL_ADDR) {
 			MSG(1, "No original inode for hard link to_ino=%x\n",
 				found_hardlink->to_ino);
-			return -1;
+			ret = -1;
+			goto free_child_dir;
 		}
 
 		/* Use previously-recorded inode */
@@ -754,6 +757,7 @@ int f2fs_create(struct f2fs_sb_info *sbi, struct dentry *de)
 	if (ret) {
 		MSG(0, "Skip the existing \"%s\" pino=%x ERR=%d\n",
 					de->name, de->pino, ret);
+		ret = 0;
 		goto free_child_dir;
 	}
 
@@ -808,7 +812,7 @@ free_child_dir:
 	free(child);
 free_parent_dir:
 	free(parent);
-	return 0;
+	return ret;
 }
 
 int f2fs_mkdir(struct f2fs_sb_info *sbi, struct dentry *de)