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Remove a mostly useless useracc().

This commit is contained in:
mycroft 1994-05-06 01:43:34 +00:00
parent 218c24c1ae
commit eb45b49761
1 changed files with 3 additions and 10 deletions
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13
sys/arch/i386/i386/machdep.c
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@ -36,10 +36,9 @@
* SUCH DAMAGE.
*
* from: @(#)machdep.c 7.4 (Berkeley) 6/3/91
* $Id: machdep.c,v 1.102 1994/05/05 05:35:48 cgd Exp $
* $Id: machdep.c,v 1.103 1994/05/06 01:43:34 mycroft Exp $
*/
#include <stddef.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/signalvar.h>
@ -519,7 +518,7 @@ check_selectors(u_short cs, u_short ss, u_short ds, u_short es)
* a machine fault.
*/
struct sigreturn_args {
struct sigcontext *sigcntxp;
struct sigcontext *scp;
};
sigreturn(p, uap, retval)
@ -539,13 +538,7 @@ sigreturn(p, uap, retval)
* It is unsafe to keep track of it ourselves, in the event that a
* program jumps out of a signal handler.
*/
scp = uap->sigcntxp;
fp = (struct sigframe *)
((caddr_t)scp - offsetof(struct sigframe, sf_sc));
if (useracc((caddr_t)fp, sizeof(*fp), 0) == 0)
return(EFAULT);
scp = uap->scp;
if (copyin((caddr_t)scp, &context, sizeof(*scp)) != 0)
return(EFAULT);