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Diffstat (limited to 'fs/compat.c')
-rw-r--r--fs/compat.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/compat.c b/fs/compat.c
index 00d90c2e66f0..4b6ed03cc478 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -49,6 +49,7 @@
#include <linux/mm.h>
#include <linux/eventpoll.h>
#include <linux/fs_struct.h>
+#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
@@ -1795,6 +1796,24 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
return ret;
}
+struct compat_sel_arg_struct {
+ compat_ulong_t n;
+ compat_uptr_t inp;
+ compat_uptr_t outp;
+ compat_uptr_t exp;
+ compat_uptr_t tvp;
+};
+
+asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg)
+{
+ struct compat_sel_arg_struct a;
+
+ if (copy_from_user(&a, arg, sizeof(a)))
+ return -EFAULT;
+ return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
+ compat_ptr(a.exp), compat_ptr(a.tvp));
+}
+
#ifdef HAVE_SET_RESTORE_SIGMASK
static long do_compat_pselect(int n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp,