Commit f2dcb884 authored May 06, 2019 by Chengguang Xu Committed by Greg Kroah-Hartman May 20, 2019

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 <cgxu519@gmail.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 083a685c

drivers/staging/erofs/super.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);