From eb5346c379cb272eca77f63473de09103a22ebee Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Mon, 31 Jul 2017 17:18:40 -0500 Subject: [PATCH] signal: Remove the code to clear siginfo before calling copy_siginfo_from_user32 The new unified copy_siginfo_from_user32 takes care of this. Signed-off-by: "Eric W. Biederman" --- 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 84b1367935e4..ec4365da9be8 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -1226,7 +1226,6 @@ 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 5211b1b57163..bebe44265b8b 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -3155,7 +3155,7 @@ 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; @@ -3199,7 +3199,7 @@ 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;