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| author |   Chengguang Xu <cgxu519@gmail.com> | 2019-05-06 19:01:02 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-20 09:18:18 +0200 |
| commit | f2dcb8841e6b155da098edae09125859ef7e853d (patch) | |
| tree | 195ada5679b5809f0a6c65fd7eab2bafa58ecb8f /drivers/staging | |
| parent | Merge tag 'iio-fixes-for-5.2a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus: (diff) | |
| download | linux-dev-f2dcb8841e6b155da098edae09125859ef7e853d.tar.xz linux-dev-f2dcb8841e6b155da098edae09125859ef7e853d.zip | |
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>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/erofs/super.c | 1 |
1 files changed, 1 insertions, 0 deletions
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); |