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Commit d104f11c authored by Kyle McMartin's avatar Kyle McMartin
Browse files

[PARISC] fix sys_rt_sigqueueinfo 



the parisc affecting portion of the patch was inadvertantly
reverted a while ago.

Signed-off-by: default avatarKyle McMartin <kyle@parisc-linux.org>
parent 992378a0

arch/parisc/kernel/signal32.c

+21 −0
Original line number Diff line number Diff line 
/*    Signal support for 32-bit kernel builds

 *

 *    Copyright (C) 2001 Matthew Wilcox <willy at parisc-linux.org>

 *    Copyright (C) 2006 Kyle McMartin <kyle at parisc-linux.org>

 *

 *    Code was mostly borrowed from kernel/signal.c.

 *    See kernel/signal.c for additional Copyrights.

 *
@@ -498,3 +500,22 @@ copy_siginfo_to_user32 (compat_siginfo_t __user *to, siginfo_t *from) 
	}

	return err;

}



asmlinkage long compat_sys_rt_sigqueueinfo(int pid, int sig,

	struct compat_siginfo __user *uinfo)

{

	siginfo_t info;



	if (copy_siginfo_from_user32(&info, uinfo))

		return -EFAULT;



	/* Not even root can pretend to send signals from the kernel.

	   Nor can they impersonate a kill(), which adds source info.  */

	if (info.si_code >= 0)

		return -EPERM;

	info.si_signo = sig;



	/* POSIX.1b doesn't mention process groups.  */

	return kill_proc_info(sig, &info, pid);

}

arch/parisc/kernel/syscall_table.S

+1 −1
Original line number Diff line number Diff line
@@ -282,7 +282,7 @@ 
	 * to worry about faulting trying to copy in a larger 64-bit

	 * struct from a 32-bit user-space app.

	 */

	ENTRY_SAME(rt_sigqueueinfo)

	ENTRY_COMP(rt_sigqueueinfo)

	ENTRY_COMP(rt_sigsuspend)

	ENTRY_SAME(chown)		/* 180 */

	/* setsockopt() used by iptables: SO_SET_REPLACE/SO_SET_ADD_COUNTERS */