[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1446684640-4112-21-git-send-email-amanieu@gmail.com>
Date: Thu, 5 Nov 2015 00:50:39 +0000
From: Amanieu d'Antras <amanieu@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Oleg Nesterov <oleg@...hat.com>,
Amanieu d'Antras <amanieu@...il.com>,
Roland McGrath <roland@...k.frob.com>
Subject: [PATCH v2 20/20] signal: Remove unnecessary zero-initialization of siginfo_t
This is no longer required since copy_siginfo_from_user32 now
initializes all siginfo_t fields properly.
Signed-off-by: Amanieu d'Antras <amanieu@...il.com>
---
kernel/ptrace.c | 1 -
kernel/signal.c | 4 ++--
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 787320d..3aa383b 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -1147,7 +1147,6 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request,
break;
case PTRACE_SETSIGINFO:
- memset(&siginfo, 0, sizeof siginfo);
if (copy_siginfo_from_user32(
&siginfo, (struct compat_siginfo __user *) datap))
ret = -EFAULT;
diff --git a/kernel/signal.c b/kernel/signal.c
index 873e8e2..ce992f2 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3022,7 +3022,7 @@ COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo,
int, sig,
struct compat_siginfo __user *, uinfo)
{
- siginfo_t info = {};
+ siginfo_t info;
int ret = copy_siginfo_from_user32(&info, uinfo);
if (unlikely(ret))
return ret;
@@ -3066,7 +3066,7 @@ COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo,
int, sig,
struct compat_siginfo __user *, uinfo)
{
- siginfo_t info = {};
+ siginfo_t info;
if (copy_siginfo_from_user32(&info, uinfo))
return -EFAULT;
--
2.6.2
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists