[PATCH 60/97] kernfs: remove lsm_context scaffolding
From: Casey Schaufler <casey@schaufler-ca.com>
Date: 2019-02-28 22:20:29
Also in:
selinux
Subsystem:
filesystems (vfs and infrastructure), kernfs, the rest · Maintainers:
Alexander Viro, Christian Brauner, Greg Kroah-Hartman, Tejun Heo, Linus Torvalds
Change the parameters to kernfs_node_setsecdata from a data/length pair to a lsm_context struct as both the function it calls and the function that calls it want that. Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> --- fs/kernfs/inode.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-)
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index 6db050b7c6ab..3d47fd74cc8c 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c@@ -135,20 +135,15 @@ int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr) return error; } -static int kernfs_node_setsecdata(struct kernfs_iattrs *attrs, void **secdata, - u32 *secdata_len) +static int kernfs_node_setsecdata(struct kernfs_iattrs *attrs, + struct lsm_context *cp) { - void *old_secdata; - size_t old_secdata_len; + struct lsm_context old_context; - old_secdata = attrs->ia_context.context; - old_secdata_len = attrs->ia_context.len; + old_context = attrs->ia_context; + attrs->ia_context = *cp; + *cp = old_context; - attrs->ia_context.context = *secdata; - attrs->ia_context.len = *secdata_len; - - *secdata = old_secdata; - *secdata_len = old_secdata_len; return 0; }
@@ -363,7 +358,7 @@ static int kernfs_security_xattr_set(const struct xattr_handler *handler, return error; mutex_lock(&kernfs_mutex); - error = kernfs_node_setsecdata(attrs, (void **)&lc.context, &lc.len); + error = kernfs_node_setsecdata(attrs, &lc); mutex_unlock(&kernfs_mutex); if (lc.context)
--
2.17.0