diff options
Diffstat (limited to 'sbin/fsck/utilities.c')
| -rw-r--r-- | sbin/fsck/utilities.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sbin/fsck/utilities.c b/sbin/fsck/utilities.c index 85b67288b52b3..7fa78324e3957 100644 --- a/sbin/fsck/utilities.c +++ b/sbin/fsck/utilities.c @@ -33,7 +33,7 @@ #ifndef lint static char sccsid[] = "@(#)utilities.c 5.30 (Berkeley) 7/26/91"; -static char rcsid[] = "$Header: /home/cvs/386BSD/src/sbin/fsck/utilities.c,v 1.2 1993/07/22 16:52:01 jkh Exp $"; +static char rcsid[] = "$Header: /home/cvs/386BSD/src/sbin/fsck/utilities.c,v 1.3 1994/06/03 22:04:59 ats Exp $"; #endif /* not lint */ #include <sys/param.h> @@ -195,7 +195,7 @@ flush(fd, bp) { register int i, j; - if (!bp->b_dirty) + if (!bp || !bp->b_dirty) return; if (bp->b_errs != 0) pfatal("WRITING %sZERO'ED BLOCK %d TO DISK\n", @@ -240,7 +240,7 @@ ckfini() } flush(fswritefd, &cgblk); free(cgblk.b_un.b_buf); - for (bp = bufhead.b_prev; bp != &bufhead; bp = nbp) { + for (bp = bufhead.b_prev; bp && (bp != &bufhead); bp = nbp) { cnt++; flush(fswritefd, bp); nbp = bp->b_prev; |