Author: kib
Date: Tue Nov 29 08:12:18 2016
New Revision: 309277
URL: https://svnweb.freebsd.org/changeset/base/309277
Log:
MFC r308995:
Do not dereference bp after bread(9) on error.
Modified:
stable/11/sys/fs/udf/udf_vnops.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/fs/udf/udf_vnops.c
==============================================================================
--- stable/11/sys/fs/udf/udf_vnops.c Tue Nov 29 04:32:14 2016
(r309276)
+++ stable/11/sys/fs/udf/udf_vnops.c Tue Nov 29 08:12:18 2016
(r309277)
@@ -487,11 +487,11 @@ udf_read(struct vop_read_args *ap)
} else {
error = bread(vp, lbn, size, NOCRED, &bp);
}
- n = min(n, size - bp->b_resid);
- if (error) {
+ if (error != 0) {
brelse(bp);
return (error);
}
+ n = min(n, size - bp->b_resid);
error = uiomove(bp->b_data + on, (int)n, uio);
brelse(bp);
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