[PATCH] erofs-utils: check the return value of erofs_d_alloc

[Huang Jianan]

Need to check whether the allocation of erofs_dentry is successful.

Signed-off-by: Huang Jianan <huangjianan at oppo.com>
---
 lib/inode.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/inode.c b/lib/inode.c
index 5cbfc78..2fa74e2 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -162,11 +162,15 @@ int erofs_prepare_dir_file(struct erofs_inode *dir, unsigned int nr_subdirs)
 
 	/* dot is pointed to the current dir inode */
 	d = erofs_d_alloc(dir, ".");
+	if (IS_ERR(d))
+		return PTR_ERR(d);
 	d->inode = erofs_igrab(dir);
 	d->type = EROFS_FT_DIR;
 
 	/* dotdot is pointed to the parent dir */
 	d = erofs_d_alloc(dir, "..");
+	if (IS_ERR(d))
+		return PTR_ERR(d);
 	d->inode = erofs_igrab(dir->i_parent);
 	d->type = EROFS_FT_DIR;
 
-- 
2.25.1