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Bug causing null pointer mscp buffer reference fixed. Thanx, Rick Macklem!

This commit is contained in:
ragge 1995-07-05 08:34:01 +00:00
parent 26c6819bfc
commit 761fc3ae0f
1 changed files with 4 additions and 4 deletions
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8
sys/arch/vax/vax/mscpvar.h
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@ -1,4 +1,4 @@
/* $NetBSD: mscpvar.h,v 1.4 1995/02/13 00:46:13 ragge Exp $ */ /* $NetBSD: mscpvar.h,v 1.5 1995/07/05 08:34:01 ragge Exp $ */
/* /*
* Copyright (c) 1988 Regents of the University of California. * Copyright (c) 1988 Regents of the University of California.
@ -113,7 +113,7 @@ struct mscp_ri {
int mri_size; /* ring size */ int mri_size; /* ring size */
int mri_next; /* next (expected|free) */ int mri_next; /* next (expected|free) */
long *mri_desc; /* base address of descriptors */ long *mri_desc; /* base address of descriptors */
volatile struct mscp *mri_ring; /* base address of packets */ struct mscp *mri_ring; /* base address of packets */
}; };
/* /*
@ -201,8 +201,8 @@ struct mscp *mscp_getcp(); /* get a command packet */
(queue)->b_actf = (bp); \ (queue)->b_actf = (bp); \
else { \ else { \
tmp=(queue)->b_actf; \ tmp=(queue)->b_actf; \
while(tmp->b_actf) tmp=tmp->b_actf; \ while(tmp->link) tmp=tmp->link; \
tmp->b_actf = (bp); \ tmp->link = (bp); \
} \ } \
} }