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Commit db61ec29 authored by Al Viro's avatar Al Viro
Browse files

fix compat_sys_rt_sigprocmask() 



Converting bitmask to 32bit granularity is fine, but we'd better
_do_ something with the result.  Such as "copy it to userland"...

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 0e803baf

kernel/signal.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -2653,7 +2653,7 @@ COMPAT_SYSCALL_DEFINE4(rt_sigprocmask, int, how, compat_sigset_t __user *, nset, 
	if (oset) {

	if (oset) {

		compat_sigset_t old32;

		compat_sigset_t old32;

		sigset_to_compat(&old32, &old_set);

		sigset_to_compat(&old32, &old_set);

		if (copy_to_user(oset, &old_set, sizeof(sigset_t)))

		if (copy_to_user(oset, &old32, sizeof(compat_sigset_t)))

			return -EFAULT;

			return -EFAULT;

	}

	}

	return 0;

	return 0;