diff mbox series

[165/173] hugetlbfs: remove useless BUG_ON(!inode) in hugetlbfs_setattr()

Message ID 20210224201001.nY1X0ah5G%akpm@linux-foundation.org (mailing list archive)
State New, archived
Headers show
Series [001/173] hexagon: remove CONFIG_EXPERIMENTAL from defconfigs | expand

Commit Message

Andrew Morton Feb. 24, 2021, 8:10 p.m. UTC 
From: Miaohe Lin <linmiaohe@huawei.com>
Subject: hugetlbfs: remove useless BUG_ON(!inode) in hugetlbfs_setattr()

When we reach here with inode = NULL, we should have crashed as inode has
already been dereferenced via hstate_inode.  So this BUG_ON(!inode) does
not take effect and should be removed.

Link: https://lkml.kernel.org/r/20210118110700.52506-1-linmiaohe@huawei.com
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/hugetlbfs/inode.c |    2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

--- a/fs/hugetlbfs/inode.c~hugetlbfs-remove-useless-bug_oninode-in-hugetlbfs_setattr
+++ a/fs/hugetlbfs/inode.c
@@ -761,8 +761,6 @@  static int hugetlbfs_setattr(struct user
 	unsigned int ia_valid = attr->ia_valid;
 	struct hugetlbfs_inode_info *info = HUGETLBFS_I(inode);
 
-	BUG_ON(!inode);
-
 	error = setattr_prepare(&init_user_ns, dentry, attr);
 	if (error)
 		return error;