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Groups > linux.kernel > #1262782
| From | Amanieu d'Antras <amanieu@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 20/20] signal: Remove unnecessary zero-initialization of siginfo_t |
| Date | 2015-11-05 02:00 +0100 |
| Message-ID | <qrh4f-7PW-39@gated-at.bofh.it> (permalink) |
| References | <qrh4d-7PW-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This is no longer required since copy_siginfo_from_user32 now
initializes all siginfo_t fields properly.
Signed-off-by: Amanieu d'Antras <amanieu@gmail.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
--
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[PATCH v2 00/20] Fix handling of compat_siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 14/20] powerpc: Use generic copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 04/20] x86: Rewrite copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
Re: [PATCH v2 04/20] x86: Rewrite copy_siginfo_{to,from}_user32 "H. Peter Anvin" <hpa@zytor.com> - 2015-11-05 03:40 +0100
[PATCH v2 05/20] mips: Clean up compat_siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 06/20] mips: Use generic copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 19/20] signalfd: Fix some issues in signalfd_copyinfo Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 11/20] s390: Use generic compat_siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 10/20] parsic: Use generic copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 17/20] sparc: Use generic compat_siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 18/20] sparc: Use generic copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 03/20] x86: Update compat_siginfo_t to be closer to the generic version Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 20/20] signal: Remove unnecessary zero-initialization of siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 02/20] compat: Add generic copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 16/20] tile: Use generic copy_siginfo_{to,from}_user32 Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 07/20] arm64: Use generic compat_siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
[PATCH v2 01/20] compat: Add generic compat_siginfo_t Amanieu d'Antras <amanieu@gmail.com> - 2015-11-05 02:00 +0100
Re: [PATCH v2 00/20] Fix handling of compat_siginfo_t Andy Lutomirski <luto@amacapital.net> - 2015-11-08 06:10 +0100
Re: [PATCH v2 00/20] Fix handling of compat_siginfo_t Oleg Nesterov <oleg@redhat.com> - 2015-11-09 15:20 +0100
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