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authorJeff Layton <jlayton@redhat.com>2012-10-10 15:25:28 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-10-12 20:14:55 -0400
commit91a27b2a756784714e924e5e854b919273082d26 (patch)
tree3913246b7d6e62703ec915f481e3a7159393f0f0 /arch/h8300
parent8e377d15078a501c4da98471f56396343c407d92 (diff)
downloadvexpress-lsk-91a27b2a756784714e924e5e854b919273082d26.tar.gz
vfs: define struct filename and have getname() return it
getname() is intended to copy pathname strings from userspace into a kernel buffer. The result is just a string in kernel space. It would however be quite helpful to be able to attach some ancillary info to the string. For instance, we could attach some audit-related info to reduce the amount of audit-related processing needed. When auditing is enabled, we could also call getname() on the string more than once and not need to recopy it from userspace. This patchset converts the getname()/putname() interfaces to return a struct instead of a string. For now, the struct just tracks the string in kernel space and the original userland pointer for it. Later, we'll add other information to the struct as it becomes convenient. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/kernel/process.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index f153ed1a4c0..e8dc1393a13 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -217,14 +217,14 @@ asmlinkage int sys_execve(const char *name,
int dummy, ...)
{
int error;
- char * filename;
+ struct filename *filename;
struct pt_regs *regs = (struct pt_regs *) ((unsigned char *)&dummy-4);
filename = getname(name);
error = PTR_ERR(filename);
if (IS_ERR(filename))
return error;
- error = do_execve(filename, argv, envp, regs);
+ error = do_execve(filename->name, argv, envp, regs);
putname(filename);
return error;
}