aboutsummaryrefslogtreecommitdiffstats
path: root/fs/select.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/select.c')
-rw-r--r--fs/select.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/select.c b/fs/select.c
index fd38ce2e32e3..500a669f7790 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -691,6 +691,23 @@ SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp,
}
#endif /* HAVE_SET_RESTORE_SIGMASK */
+#ifdef __ARCH_WANT_SYS_OLD_SELECT
+struct sel_arg_struct {
+ unsigned long n;
+ fd_set __user *inp, *outp, *exp;
+ struct timeval __user *tvp;
+};
+
+SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg)
+{
+ struct sel_arg_struct a;
+
+ if (copy_from_user(&a, arg, sizeof(a)))
+ return -EFAULT;
+ return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
+}
+#endif
+
struct poll_list {
struct poll_list *next;
int len;
@@ -821,7 +838,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
struct poll_list *walk = head;
unsigned long todo = nfds;
- if (nfds > current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+ if (nfds > rlimit(RLIMIT_NOFILE))
return -EINVAL;
len = min_t(unsigned int, nfds, N_STACK_PPS);