[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20180528134916.7568-9-christian@brauner.io>
Date: Mon, 28 May 2018 15:49:16 +0200
From: Christian Brauner <christian@...uner.io>
To: linux-kernel@...r.kernel.org
Cc: ebiederm@...ssion.com, gregkh@...uxfoundation.org,
mingo@...nel.org, james.morris@...rosoft.com,
keescook@...omium.org, peterz@...radead.org, sds@...ho.nsa.gov,
viro@...iv.linux.org.uk, akpm@...ux-foundation.org,
oleg@...hat.com, Christian Brauner <christian@...uner.io>
Subject: [PATCH 8/8] signal: simplify rt_sigaction()
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 <christian@...uner.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
Powered by blists - more mailing lists