diff options
Diffstat (limited to 'fs/cachefiles/daemon.c')
| -rw-r--r-- | fs/cachefiles/daemon.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c index 24eb0d37241a..727caedcdd92 100644 --- a/fs/cachefiles/daemon.c +++ b/fs/cachefiles/daemon.c | |||
| @@ -552,8 +552,7 @@ static int cachefiles_daemon_tag(struct cachefiles_cache *cache, char *args) | |||
| 552 | */ | 552 | */ |
| 553 | static int cachefiles_daemon_cull(struct cachefiles_cache *cache, char *args) | 553 | static int cachefiles_daemon_cull(struct cachefiles_cache *cache, char *args) |
| 554 | { | 554 | { |
| 555 | struct fs_struct *fs; | 555 | struct path path; |
| 556 | struct dentry *dir; | ||
| 557 | const struct cred *saved_cred; | 556 | const struct cred *saved_cred; |
| 558 | int ret; | 557 | int ret; |
| 559 | 558 | ||
| @@ -573,24 +572,21 @@ static int cachefiles_daemon_cull(struct cachefiles_cache *cache, char *args) | |||
| 573 | } | 572 | } |
| 574 | 573 | ||
| 575 | /* extract the directory dentry from the cwd */ | 574 | /* extract the directory dentry from the cwd */ |
| 576 | fs = current->fs; | 575 | get_fs_pwd(current->fs, &path); |
| 577 | read_lock(&fs->lock); | ||
| 578 | dir = dget(fs->pwd.dentry); | ||
| 579 | read_unlock(&fs->lock); | ||
| 580 | 576 | ||
| 581 | if (!S_ISDIR(dir->d_inode->i_mode)) | 577 | if (!S_ISDIR(path.dentry->d_inode->i_mode)) |
| 582 | goto notdir; | 578 | goto notdir; |
| 583 | 579 | ||
| 584 | cachefiles_begin_secure(cache, &saved_cred); | 580 | cachefiles_begin_secure(cache, &saved_cred); |
| 585 | ret = cachefiles_cull(cache, dir, args); | 581 | ret = cachefiles_cull(cache, path.dentry, args); |
| 586 | cachefiles_end_secure(cache, saved_cred); | 582 | cachefiles_end_secure(cache, saved_cred); |
| 587 | 583 | ||
| 588 | dput(dir); | 584 | path_put(&path); |
| 589 | _leave(" = %d", ret); | 585 | _leave(" = %d", ret); |
| 590 | return ret; | 586 | return ret; |
| 591 | 587 | ||
| 592 | notdir: | 588 | notdir: |
| 593 | dput(dir); | 589 | path_put(&path); |
| 594 | kerror("cull command requires dirfd to be a directory"); | 590 | kerror("cull command requires dirfd to be a directory"); |
| 595 | return -ENOTDIR; | 591 | return -ENOTDIR; |
| 596 | 592 | ||
| @@ -628,8 +624,7 @@ inval: | |||
| 628 | */ | 624 | */ |
| 629 | static int cachefiles_daemon_inuse(struct cachefiles_cache *cache, char *args) | 625 | static int cachefiles_daemon_inuse(struct cachefiles_cache *cache, char *args) |
| 630 | { | 626 | { |
| 631 | struct fs_struct *fs; | 627 | struct path path; |
| 632 | struct dentry *dir; | ||
| 633 | const struct cred *saved_cred; | 628 | const struct cred *saved_cred; |
| 634 | int ret; | 629 | int ret; |
| 635 | 630 | ||
| @@ -649,24 +644,21 @@ static int cachefiles_daemon_inuse(struct cachefiles_cache *cache, char *args) | |||
| 649 | } | 644 | } |
| 650 | 645 | ||
| 651 | /* extract the directory dentry from the cwd */ | 646 | /* extract the directory dentry from the cwd */ |
| 652 | fs = current->fs; | 647 | get_fs_pwd(current->fs, &path); |
| 653 | read_lock(&fs->lock); | ||
| 654 | dir = dget(fs->pwd.dentry); | ||
| 655 | read_unlock(&fs->lock); | ||
| 656 | 648 | ||
| 657 | if (!S_ISDIR(dir->d_inode->i_mode)) | 649 | if (!S_ISDIR(path.dentry->d_inode->i_mode)) |
| 658 | goto notdir; | 650 | goto notdir; |
| 659 | 651 | ||
| 660 | cachefiles_begin_secure(cache, &saved_cred); | 652 | cachefiles_begin_secure(cache, &saved_cred); |
| 661 | ret = cachefiles_check_in_use(cache, dir, args); | 653 | ret = cachefiles_check_in_use(cache, path.dentry, args); |
| 662 | cachefiles_end_secure(cache, saved_cred); | 654 | cachefiles_end_secure(cache, saved_cred); |
| 663 | 655 | ||
| 664 | dput(dir); | 656 | path_put(&path); |
| 665 | //_leave(" = %d", ret); | 657 | //_leave(" = %d", ret); |
| 666 | return ret; | 658 | return ret; |
| 667 | 659 | ||
| 668 | notdir: | 660 | notdir: |
| 669 | dput(dir); | 661 | path_put(&path); |
| 670 | kerror("inuse command requires dirfd to be a directory"); | 662 | kerror("inuse command requires dirfd to be a directory"); |
| 671 | return -ENOTDIR; | 663 | return -ENOTDIR; |
| 672 | 664 | ||
