[PATCH 8/8] signal: simplify rt_sigaction()

[Christian Brauner]

The goto is not needed and does not add any clarity. Simply return -EINVAL
on unexpected sigset_t struct size directly.

Signed-off-by: Christian Brauner <christ...@brauner.io>
---
 kernel/signal.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 42a7b067a49c..96c58de43ddf 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3741,24 +3741,21 @@ SYSCALL_DEFINE4(rt_sigaction, int, sig,
                size_t, sigsetsize)
 {
        struct k_sigaction new_sa, old_sa;
-       int ret = -EINVAL;
+       int ret;
 
        /* XXX: Don't preclude handling different sized sigset_t's.  */
        if (sigsetsize != sizeof(sigset_t))
-               goto out;
+               return -EINVAL;
 
-       if (act) {
+       if (act)
                if (copy_from_user(&new_sa.sa, act, sizeof(new_sa.sa)))
                        return -EFAULT;
-       }
 
        ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL);
-
-       if (!ret && oact) {
+       if (!ret && oact)
                if (copy_to_user(oact, &old_sa.sa, sizeof(old_sa.sa)))
                        return -EFAULT;
-       }
-out:
+
        return ret;
 }
 #ifdef CONFIG_COMPAT
-- 
2.17.0