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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/parisc/hpux
parent8e377d15078a501c4da98471f56396343c407d92 (diff)
downloadlinux-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/parisc/hpux')
-rw-r--r--arch/parisc/hpux/fs.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
index 6785de7bd2a..a0760b87fd4 100644
--- a/arch/parisc/hpux/fs.c
+++ b/arch/parisc/hpux/fs.c
@@ -34,14 +34,14 @@
int hpux_execve(struct pt_regs *regs)
{
int error;
- char *filename;
+ struct filename *filename;
filename = getname((const char __user *) regs->gr[26]);
error = PTR_ERR(filename);
if (IS_ERR(filename))
goto out;
- error = do_execve(filename,
+ error = do_execve(filename->name,
(const char __user *const __user *) regs->gr[25],
(const char __user *const __user *) regs->gr[24],
regs);