From f2dcb8841e6b155da098edae09125859ef7e853d Mon Sep 17 00:00:00 2001 From: Chengguang Xu Date: Mon, 6 May 2019 19:01:02 +0800 Subject: staging: erofs: set sb->s_root to NULL when failing from __getname() Set sb->s_root to NULL when failing from __getname(), so that we can avoid double dput and unnecessary operations in generic_shutdown_super(). Signed-off-by: Chengguang Xu Reviewed-by: Chao Yu Reviewed-by: Gao Xiang Signed-off-by: Greg Kroah-Hartman --- drivers/staging/erofs/super.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/staging') diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c index 399847d21146..f580d4ef77a1 100644 --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -457,6 +457,7 @@ static int erofs_read_super(struct super_block *sb, */ err_devname: dput(sb->s_root); + sb->s_root = NULL; err_iget: #ifdef EROFS_FS_HAS_MANAGED_CACHE iput(sbi->managed_cache); -- cgit v1.2.3