ypbind bug in SMP test kernel fixed...

David S. Miller (davem@jenolan.rutgers.edu)
Wed, 22 Jan 1997 23:17:52 -0500

Here is a patch for that silly bug. This goes on top of the patch I
just posted.

--- linux/ipc/sem.c.~1~ Sat Jan 4 22:59:40 1997
+++ linux/ipc/sem.c Wed Jan 22 23:14:09 1997
@@ -499,9 +499,10 @@
goto out;
copy_from_user (sem_io, array, nsems*sizeof(ushort));
for (i = 0; i < nsems; i++)
- err = -ERANGE;
- if (sem_io[i] > SEMVMX)
+ if (sem_io[i] > SEMVMX) {
+ err = -ERANGE;
goto out;
+ }
break;
case IPC_STAT:
buf = arg.buf;
@@ -640,9 +641,10 @@
if (!un) {
size = sizeof(struct sem_undo) + sizeof(short)*sma->sem_nsems;
un = (struct sem_undo *) kmalloc(size, GFP_ATOMIC);
- error = -ENOMEM;
- if (!un)
+ if (!un) {
+ error = -ENOMEM;
goto out;
+ }
memset(un, 0, size);
un->semadj = (short *) &un[1];
un->semid = semid;