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| author | Nicolai Stange <nicstange@gmail.com> | 2017-10-31 02:15:52 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-07 22:25:02 +0300 |
| commit | c9afbec27089cd6b4e621b639f41c7fc726c3bf1 (patch) | |
| tree | bb66d582f6668101cdbca5e6a3592f2398271443 /fs/debugfs/inode.c | |
| parent | 7cda7b8f97da9382bb945d541a85cde58d5dac27 (diff) | |
| download | linux-c9afbec27089cd6b4e621b639f41c7fc726c3bf1.tar.xz | |
debugfs: purge obsolete SRCU based removal protection
Purge the SRCU based file removal race protection in favour of the new,
refcount based debugfs_file_get()/debugfs_file_put() API.
Fixes: 49d200deaa68 ("debugfs: prevent access to removed files' private data")
Signed-off-by: Nicolai Stange <nicstange@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/debugfs/inode.c')
| -rw-r--r-- | fs/debugfs/inode.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 6449eb935540..f587aded46b5 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -27,14 +27,11 @@ #include <linux/parser.h> #include <linux/magic.h> #include <linux/slab.h> -#include <linux/srcu.h> #include "internal.h" #define DEBUGFS_DEFAULT_MODE 0700 -DEFINE_SRCU(debugfs_srcu); - static struct vfsmount *debugfs_mount; static int debugfs_mount_count; static bool debugfs_registered; @@ -693,8 +690,6 @@ void debugfs_remove(struct dentry *dentry) inode_unlock(d_inode(parent)); if (!ret) simple_release_fs(&debugfs_mount, &debugfs_mount_count); - - synchronize_srcu(&debugfs_srcu); } EXPORT_SYMBOL_GPL(debugfs_remove); @@ -768,8 +763,6 @@ void debugfs_remove_recursive(struct dentry *dentry) if (!__debugfs_remove(child, parent)) simple_release_fs(&debugfs_mount, &debugfs_mount_count); inode_unlock(d_inode(parent)); - - synchronize_srcu(&debugfs_srcu); } EXPORT_SYMBOL_GPL(debugfs_remove_recursive); |