diff options
| author | Matthew Dillon <dillon@FreeBSD.org> | 1999-09-23 08:41:48 +0000 |
|---|---|---|
| committer | Matthew Dillon <dillon@FreeBSD.org> | 1999-09-23 08:41:48 +0000 |
| commit | 25d1a00bc07308e848846b62cb13cca6d8f251a9 (patch) | |
| tree | 4e15abd065d389b535c43f7918625d4a1e18b550 | |
| parent | 6f83979d1fb6cb59480314f63406ae210b253274 (diff) | |
Notes
| -rw-r--r-- | sys/dev/ccd/ccd.c | 11 | ||||
| -rw-r--r-- | sys/geom/geom_ccd.c | 11 |
2 files changed, 20 insertions, 2 deletions
diff --git a/sys/dev/ccd/ccd.c b/sys/dev/ccd/ccd.c index 4037f793174c..19d765c53010 100644 --- a/sys/dev/ccd/ccd.c +++ b/sys/dev/ccd/ccd.c @@ -1007,7 +1007,16 @@ ccdiodone(cbp) return; } - count = cbp->cb_buf.b_bcount; + /* + * use b_bufsize to determine how big the original request was rather + * then b_bcount, because b_bcount may have been truncated for EOF. + * + * XXX We check for an error, but we do not test the resid for an + * aligned EOF condition. This may result in character & block + * device access not recognizing EOF properly when read or written + * sequentially, but will not effect filesystems. + */ + count = cbp->cb_buf.b_bufsize; putccdbuf(cbp); /* diff --git a/sys/geom/geom_ccd.c b/sys/geom/geom_ccd.c index 4037f793174c..19d765c53010 100644 --- a/sys/geom/geom_ccd.c +++ b/sys/geom/geom_ccd.c @@ -1007,7 +1007,16 @@ ccdiodone(cbp) return; } - count = cbp->cb_buf.b_bcount; + /* + * use b_bufsize to determine how big the original request was rather + * then b_bcount, because b_bcount may have been truncated for EOF. + * + * XXX We check for an error, but we do not test the resid for an + * aligned EOF condition. This may result in character & block + * device access not recognizing EOF properly when read or written + * sequentially, but will not effect filesystems. + */ + count = cbp->cb_buf.b_bufsize; putccdbuf(cbp); /* |