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signal: Remove the code to clear siginfo before calling copy_siginfo_from_user32

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The new unified copy_siginfo_from_user32 takes care of this.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2017-07-31 17:18:40 -05:00
parent 212a36a17e
commit eb5346c379
2 changed files with 2 additions and 3 deletions
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1
kernel/ptrace.c
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@ -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;

4
kernel/signal.c
View File

@ -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;