xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

new helper: audit_file()

Browse Source 
... 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>
This commit is contained in:
Al Viro
2014-10-31 17:44:57 -04:00
parent 6f4e0d5aaa
commit 9f45f5bf30
5 changed files with 24 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
fs/xattr.c
View File

@@ -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);