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Fix from John Hay to avoid kernel panics when ap->a_eofflag is NULL.

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I'm not sure if this is just masking another problem (like, should
ap->a_eofflag EVER be NULL?), but if it prevents a panic for now then
it may save an ALPHA customer.
Submitted by:	jhay
This commit is contained in:
Jordan K. Hubbard 1994-11-01 21:14:45 +00:00
parent 2e7c3b0abb
commit 6b4ec83ca6
2 changed files with 6 additions and 4 deletions
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5
sys/fs/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.6 1994/10/23 00:41:17 martin Exp $ */
/* $Id: msdosfs_vnops.c,v 1.7 1994/10/27 18:44:31 pst Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.20 1994/08/21 18:44:13 ws Exp $ */
/*-
@ -1533,7 +1533,8 @@ msdosfs_readdir(ap)
n = min((u_long) (pmp->pm_bpcluster - on), uio->uio_resid);
diff = dep->de_FileSize - (uio->uio_offset - bias);
if (diff <= 0) {
*ap->a_eofflag = 1;
if(ap->a_eofflag)
*ap->a_eofflag = 1;
return 0;
}
if (diff < n)

5
sys/msdosfs/msdosfs_vnops.c
View File

@ -1,4 +1,4 @@
/* $Id: msdosfs_vnops.c,v 1.6 1994/10/23 00:41:17 martin Exp $ */
/* $Id: msdosfs_vnops.c,v 1.7 1994/10/27 18:44:31 pst Exp $ */
/* $NetBSD: msdosfs_vnops.c,v 1.20 1994/08/21 18:44:13 ws Exp $ */
/*-
@ -1533,7 +1533,8 @@ msdosfs_readdir(ap)
n = min((u_long) (pmp->pm_bpcluster - on), uio->uio_resid);
diff = dep->de_FileSize - (uio->uio_offset - bias);
if (diff <= 0) {
*ap->a_eofflag = 1;
if(ap->a_eofflag)
*ap->a_eofflag = 1;
return 0;
}
if (diff < n)