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Diffstat (limited to 'arch/alpha/kernel/osf_sys.c')
-rw-r--r--arch/alpha/kernel/osf_sys.c66
1 files changed, 56 insertions, 10 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 98a103621af6..63e77e3944ce 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -145,27 +145,24 @@ SYSCALL_DEFINE4(osf_getdirentries, unsigned int, fd,
long __user *, basep)
{
int error;
- struct file *file;
+ struct fd arg = fdget(fd);
struct osf_dirent_callback buf;
- error = -EBADF;
- file = fget(fd);
- if (!file)
- goto out;
+ if (!arg.file)
+ return -EBADF;
buf.dirent = dirent;
buf.basep = basep;
buf.count = count;
buf.error = 0;
- error = vfs_readdir(file, osf_filldir, &buf);
+ error = vfs_readdir(arg.file, osf_filldir, &buf);
if (error >= 0)
error = buf.error;
if (count != buf.count)
error = count - buf.count;
- fput(file);
- out:
+ fdput(arg);
return error;
}
@@ -278,8 +275,8 @@ linux_to_osf_stat(struct kstat *lstat, struct osf_stat __user *osf_stat)
tmp.st_dev = lstat->dev;
tmp.st_mode = lstat->mode;
tmp.st_nlink = lstat->nlink;
- tmp.st_uid = lstat->uid;
- tmp.st_gid = lstat->gid;
+ tmp.st_uid = from_kuid_munged(current_user_ns(), lstat->uid);
+ tmp.st_gid = from_kgid_munged(current_user_ns(), lstat->gid);
tmp.st_rdev = lstat->rdev;
tmp.st_ldev = lstat->rdev;
tmp.st_size = lstat->size;
@@ -1404,3 +1401,52 @@ SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
}
#endif
+
+SYSCALL_DEFINE2(osf_getpriority, int, which, int, who)
+{
+ int prio = sys_getpriority(which, who);
+ if (prio >= 0) {
+ /* Return value is the unbiased priority, i.e. 20 - prio.
+ This does result in negative return values, so signal
+ no error */
+ force_successful_syscall_return();
+ prio = 20 - prio;
+ }
+ return prio;
+}
+
+SYSCALL_DEFINE0(getxuid)
+{
+ current_pt_regs()->r20 = sys_geteuid();
+ return sys_getuid();
+}
+
+SYSCALL_DEFINE0(getxgid)
+{
+ current_pt_regs()->r20 = sys_getegid();
+ return sys_getgid();
+}
+
+SYSCALL_DEFINE0(getxpid)
+{
+ current_pt_regs()->r20 = sys_getppid();
+ return sys_getpid();
+}
+
+SYSCALL_DEFINE0(alpha_pipe)
+{
+ int fd[2];
+ int res = do_pipe_flags(fd, 0);
+ if (!res) {
+ /* The return values are in $0 and $20. */
+ current_pt_regs()->r20 = fd[1];
+ res = fd[0];
+ }
+ return res;
+}
+
+SYSCALL_DEFINE1(sethae, unsigned long, val)
+{
+ current_pt_regs()->hae = val;
+ return 0;
+}