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-rw-r--r--fs/sysfs/dir.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index b3cf61dc57c1..98701c00b9b0 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -429,6 +429,9 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd,
return -EINVAL;
}
+ if (sysfs_type(parent_sd) != SYSFS_DIR)
+ return -EINVAL;
+
sd->s_hash = sysfs_name_hash(sd->s_name, sd->s_ns);
sd->s_parent = sysfs_get(parent_sd);