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

[Huang Jianan via Linux-erofs]

Need to check whether the allocation of erofs_dentry is successful.

Signed-off-by: Huang Jianan <huangjia...@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