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authorAl Viro <viro@zeniv.linux.org.uk>2014-11-01 00:44:57 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2014-11-19 21:01:26 +0300
commit9f45f5bf302daad6835ce64701fb3c286a2cc6af (patch)
treef267e8363c8c9db15195f1698997179a1370687c /fs/xattr.c
parent6f4e0d5aaa9efaa701f4c3c0bb9b22d7943157c9 (diff)
downloadlinux-9f45f5bf302daad6835ce64701fb3c286a2cc6af.tar.xz
new helper: audit_file()
... for situations when we don't have any candidate in pathnames - basically, in descriptor-based syscalls. [Folded the build fix for !CONFIG_AUDITSYSCALL configs from Chen Gang] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/xattr.c')
-rw-r--r--fs/xattr.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/fs/xattr.c b/fs/xattr.c
index 64e83efb742d..4ef698549e31 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -405,16 +405,14 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name,
const void __user *,value, size_t, size, int, flags)
{
struct fd f = fdget(fd);
- struct dentry *dentry;
int error = -EBADF;
if (!f.file)
return error;
- dentry = f.file->f_path.dentry;
- audit_inode(NULL, dentry, 0);
+ audit_file(f.file);
error = mnt_want_write_file(f.file);
if (!error) {
- error = setxattr(dentry, name, value, size, flags);
+ error = setxattr(f.file->f_path.dentry, name, value, size, flags);
mnt_drop_write_file(f.file);
}
fdput(f);
@@ -509,7 +507,7 @@ SYSCALL_DEFINE4(fgetxattr, int, fd, const char __user *, name,
if (!f.file)
return error;
- audit_inode(NULL, f.file->f_path.dentry, 0);
+ audit_file(f.file);
error = getxattr(f.file->f_path.dentry, name, value, size);
fdput(f);
return error;
@@ -590,7 +588,7 @@ SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size)
if (!f.file)
return error;
- audit_inode(NULL, f.file->f_path.dentry, 0);
+ audit_file(f.file);
error = listxattr(f.file->f_path.dentry, list, size);
fdput(f);
return error;
@@ -651,16 +649,14 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname,
SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name)
{
struct fd f = fdget(fd);
- struct dentry *dentry;
int error = -EBADF;
if (!f.file)
return error;
- dentry = f.file->f_path.dentry;
- audit_inode(NULL, dentry, 0);
+ audit_file(f.file);
error = mnt_want_write_file(f.file);
if (!error) {
- error = removexattr(dentry, name);
+ error = removexattr(f.file->f_path.dentry, name);
mnt_drop_write_file(f.file);
}
fdput(f);